Lefty Grove had the best ERA in the AL in 1931, with an ERA of 2.06.

Interpreted as:

Who had the best era with a minimum of 1 IP per team game in the al in 1931?

	NAME	ERA	SEASON	TM	G	W	L	W%	GS	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Lefty Grove L. Grove	2.06	1931	PHA	41	31	4	.886	30	175	27	4	5	288.2	249	66	84	10	62	1	10	1,160	2	5.46	1.93	2.82	0.31	15.1	5.3	1.08	.262	2.62	47	3.01	70	7.76	40.8
2	Lefty Gomez L. Gomez	2.67	1931	NYY	40	21	9	.700	26	150	17	1	3	243.0	206	72	88	7	85	4	10	1,013	1	5.56	3.15	1.76	0.26	14.8	8.4	1.20	.259	3.26	64	3.35	83	7.63	18.2
3	Bump Hadley B. Hadley	3.06	1931	WSH	55	11	10	.524	11	124	2	1	7	179.2	145	61	81	4	92	1	28	768	4	6.21	4.61	1.35	0.20	16.1	12.0	1.32	.258	4.06	71	3.57	86	7.26	11.5
4	Lloyd Brown L. Brown	3.20	1931	WSH	42	15	14	.517	32	79	15	1	0	258.2	256	92	120	12	79	0	8	1,091	3	2.75	2.75	1.00	0.42	7.2	7.2	1.30	.265	4.18	75	4.02	97	8.91	3.5
5	Firpo Marberry F. Marberry	3.45	1931	WSH	45	16	4	.800	25	88	11	1	8	219.0	211	84	92	13	63	3	14	913	3	3.62	2.59	1.40	0.53	9.6	6.9	1.25	.265	3.78	80	3.98	96	8.67	3.8
6	George Uhle G. Uhle	3.50	1931	DET	29	11	12	.478	18	63	15	2	2	193.0	190	75	88	10	49	4	11	808	6	2.94	2.28	1.29	0.47	7.8	6.1	1.24	.264	4.10	78	3.96	91	8.86	9
7	George Earnshaw G. Earnshaw	3.67	1931	PHA	43	21	7	.750	30	152	23	3	6	281.2	255	115	130	16	75	3	11	1,174	5	4.86	2.40	2.03	0.51	12.9	6.4	1.17	.258	4.15	83	3.60	84	8.15	21.3
8	Rube Walberg R. Walberg	3.74	1931	PHA	44	20	12	.625	35	106	19	1	4	291.0	298	121	133	16	109	0	8	1,248	3	3.28	3.37	0.97	0.49	8.5	8.7	1.40	.277	4.11	85	4.22	99	9.22	2.1
9	Wes Ferrell W. Ferrell	3.75	1931	CLE	40	22	12	.647	35	123	27	2	3	276.1	276	115	134	9	130	3	4	1,227	3	4.01	4.23	0.95	0.29	10.0	10.6	1.47	.278	4.36	81	4.09	92	8.99	11.7
10	Red Faber R. Faber	3.82	1931	CWS	44	10	14	.417	19	49	5	1	1	184.0	210	78	96	11	57	3	14	807	0	2.40	2.79	0.86	0.54	6.1	7.1	1.45	.290	4.70	90	4.34	105	10.27	-5.2
11	Alvin Crowder A. Crowder	3.88	1931	WSH	44	18	11	.621	26	85	13	1	2	234.1	255	101	117	14	72	1	10	1,009	4	3.26	2.77	1.18	0.54	8.4	7.1	1.40	.288	4.49	90	4.10	99	9.79	1.1
12	Dick Coffman D. Coffman	3.88	1931	SLA	32	9	13	.409	17	39	11	2	1	169.1	159	73	81	10	51	2	8	720	2	2.07	2.71	0.76	0.53	5.4	7.1	1.24	.241	4.31	84	4.36	98	8.45	2.3
13	Wilcy Moore W. Moore	3.88	1931	BSA	53	11	13	.458	15	37	8	1	8	185.1	195	80	88	7	55	1	31	798	3	1.80	2.67	0.67	0.34	4.6	6.9	1.35	.269	4.27	91	4.11	99	9.47	0.6
14	Danny MacFayden D. MacFayden	4.02	1931	BSA	35	16	12	.571	32	74	17	2	0	230.2	263	103	121	4	79	7	2	1,035	1	2.89	3.08	0.94	0.16	7.1	7.6	1.48	.297	4.72	94	3.81	92	10.26	8.5
15	Earl Whitehill E. Whitehill	4.08	1931	DET	34	13	16	.448	34	81	22	0	0	271.1	287	123	152	22	118	5	0	1,197	3	2.69	3.91	0.69	0.73	6.8	9.9	1.49	.273	5.04	90	4.93	113	9.52	-15.8
16	Vic Sorrell V. Sorrell	4.15	1931	DET	35	13	14	.481	32	99	19	1	1	245.0	267	113	131	8	114	1	3	1,098	2	3.64	4.19	0.87	0.29	9.0	10.4	1.56	.296	4.81	92	4.14	95	9.81	6.7
17	Roy Mahaffey R. Mahaffey	4.21	1931	PHA	30	15	4	.789	20	59	8	0	2	162.1	161	76	87	9	82	3	5	714	4	3.27	4.55	0.72	0.50	8.3	11.5	1.50	.271	4.82	95	4.68	109	8.93	-6.9
18	Ed Durham E. Durham	4.25	1931	BSA	38	8	10	.444	15	53	7	2	0	165.1	175	78	91	9	50	4	11	716	1	2.89	2.72	1.06	0.49	7.4	7.0	1.36	.277	4.95	99	4.16	100	9.53	-0.4
19	Herb Pennock H. Pennock	4.28	1931	NYY	25	11	6	.647	25	65	12	1	0	189.1	247	90	96	7	30	1	0	826	3	3.09	1.43	2.17	0.33	7.9	3.6	1.46	.332	4.56	103	3.40	84	11.74	13.1
20	Art Herring A. Herring	4.31	1931	DET	35	7	13	.350	16	64	9	0	1	165.0	186	79	95	8	67	8	12	744	0	3.49	3.65	0.96	0.44	8.6	9.0	1.53	.298	5.18	96	4.33	99	10.15	1
21	Mel Harder M. Harder	4.36	1931	CLE	40	13	14	.481	24	63	9	0	1	194.0	229	94	119	8	72	6	7	880	3	2.92	3.34	0.88	0.37	7.2	8.2	1.55	.302	5.52	95	4.21	94	10.62	5.8
22	Carl Fischer C. Fischer	4.38	1931	WSH	46	13	9	.591	23	96	7	0	3	191.0	207	93	98	12	80	2	13	847	4	4.52	3.77	1.20	0.57	11.3	9.4	1.50	.297	4.62	102	4.21	101	9.75	-1.6
23	Lefty Stewart L. Stewart	4.40	1931	SLA	36	14	17	.452	33	89	20	1	0	258.0	287	126	155	17	85	3	2	1,135	1	3.10	2.97	1.05	0.59	7.8	7.5	1.44	.287	5.41	96	4.30	97	10.01	5.1
24	Red Ruffing R. Ruffing	4.41	1931	NYY	37	16	14	.533	30	132	19	1	2	237.0	240	116	130	11	87	6	5	1,042	1	5.01	3.30	1.52	0.42	12.7	8.3	1.38	.284	4.94	106	3.78	94	9.11	5.8
25	Victor Frazier V. Frazier	4.46	1931	CWS	46	13	15	.464	29	87	13	2	4	254.0	258	126	156	11	127	5	8	1,143	2	3.08	4.50	0.69	0.39	7.6	11.1	1.52	.271	5.53	105	4.55	111	9.14	-13.4

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DATE	MATCHUP			TIME (ET)
Tue 9/15	ATH	@	TBR	6:40 PM
Wed 9/16	ATH	@	TBR	6:40 PM
Thu 9/17	ATH	@	TBR	1:10 PM
Fri 9/18	ATH	@	CLE	7:10 PM
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Nationals	70	81	.464	18.5
Mets	69	80	.463	18.5
NL Central	W	L	PCT	GB
Brewers - x	93	57	.620
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Pirates	75	75	.500	18.0
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DATE	MATCHUP			TIME (ET)
Mon 9/14	CWS	@	CLE	6:40 PM
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Lefty Grove had the best ERA in the AL in 1931, with an ERA of 2.06.

Interpreted as:

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