Grover Alexander had the lowest ERA in the NL in 1915, with an ERA of 1.22.

Interpreted as:

Who had the best era with a minimum of 1 IP per team game in the nl in 1915?

	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	Grover Alexander G. Alexander	1.22	1915	PHN	49	31	10	.756	42	241	36	12	3	376.1	253	51	86	3	64	10	7	1,435	2	5.76	1.53	3.77	0.07	16.8	4.5	0.84	.224	2.06	43	1.82	63	6.05	44.1
2	Fred Toney F. Toney	1.58	1915	CIN	36	17	6	.739	23	108	18	6	2	222.2	160	39	46	1	73	3	10	877	2	4.37	2.95	1.48	0.04	12.3	8.3	1.05	.230	1.86	57	2.52	89	6.47	7.7
3	Al Mamaux A. Mamaux	2.04	1915	PTN	38	21	8	.724	30	152	17	8	0	251.2	182	57	70	3	96	9	7	1,003	2	5.44	3.43	1.58	0.11	15.2	9.6	1.10	.241	2.50	76	2.61	95	6.51	3.3
4	Jeff Pfeffer J. Pfeffer	2.10	1915	BKN	40	19	14	.576	34	84	26	6	3	291.2	243	68	93	8	76	17	6	1,177	4	2.59	2.35	1.11	0.25	7.1	6.5	1.09	.237	2.87	75	3.15	110	7.50	-8.7
5	Tom Hughes T. Hughes	2.12	1915	BSN	50	16	14	.533	25	171	17	4	9	280.1	208	66	88	4	58	11	22	1,069	2	5.49	1.86	2.95	0.13	16.0	5.4	0.95	.247	2.83	79	2.11	77	6.68	19.4
6	Erv Kantlehner E. Kantlehner	2.26	1915	PTN	29	5	12	.294	18	64	10	1	3	163.0	135	41	60	1	58	4	6	669	1	3.53	3.20	1.10	0.06	9.6	8.7	1.18	.247	3.31	84	2.84	104	7.45	-2.3
7	Jeff Tesreau J. Tesreau	2.29	1915	NYG	43	19	16	.543	39	176	24	8	3	306.0	235	78	98	4	75	5	4	1,198	7	5.18	2.21	2.35	0.12	14.7	6.3	1.01	.246	2.88	87	2.21	82	6.91	15.4
8	Bert Humphries B. Humphries	2.31	1915	CHC	31	8	13	.381	22	45	10	4	3	171.2	183	44	69	6	23	5	6	702	3	2.36	1.21	1.96	0.31	6.4	3.3	1.20	.284	3.62	84	2.83	101	9.59	-0.6
9	Pat Ragan P. Ragan	2.34	1915	TOT	38	17	12	.586	26	88	13	3	0	246.2	219	64	77	2	67	7	7	986	3	3.21	2.44	1.31	0.07	8.9	6.8	1.16	.264	2.81	87	2.70	98	7.99	0.9
10	Wheezer Dell W. Dell	2.34	1915	BKN	40	11	10	.524	24	94	12	4	1	215.0	166	56	80	5	100	8	12	894	4	3.93	4.19	0.94	0.21	10.5	11.2	1.24	.234	3.35	84	3.34	117	6.95	-11.1
11	Erskine Mayer E. Mayer	2.36	1915	PHN	43	21	15	.583	33	114	20	2	2	274.2	240	72	94	9	59	14	8	1,092	0	3.74	1.93	1.93	0.29	10.4	5.4	1.09	.258	3.08	83	2.80	97	7.86	3.1
12	Dick Rudolph D. Rudolph	2.37	1915	BSN	44	22	19	.537	43	147	30	3	1	341.1	304	90	125	4	64	6	1	1,362	6	3.88	1.69	2.30	0.11	10.8	4.7	1.08	.263	3.30	88	2.32	84	8.02	15.7
13	Eppa Rixey E. Rixey	2.39	1915	PHN	29	11	12	.478	22	88	10	2	1	176.2	163	47	67	2	64	2	4	735	8	4.48	3.26	1.38	0.10	12.0	8.7	1.28	.278	3.41	85	2.68	93	8.30	4.3
14	Gene Dale G. Dale	2.46	1915	CIN	49	18	17	.514	35	104	20	4	3	296.2	256	81	115	6	107	6	7	1,207	6	3.16	3.25	0.97	0.18	8.6	8.9	1.22	.254	3.49	89	3.11	110	7.77	-9.1
15	Pete Schneider P. Schneider	2.48	1915	CIN	48	14	19	.424	35	108	16	5	2	275.2	254	76	110	4	104	7	11	1,153	1	3.53	3.40	1.04	0.13	9.4	9.0	1.30	.269	3.59	89	3.02	107	8.29	-5.7
16	George Chalmers G. Chalmers	2.48	1915	PHN	26	8	9	.471	20	82	13	1	1	170.1	159	47	58	3	45	0	4	687	6	4.33	2.38	1.82	0.16	11.9	6.6	1.20	.280	3.06	88	2.47	86	8.40	8.1
17	Bob Harmon B. Harmon	2.50	1915	PTN	37	16	17	.485	32	86	25	5	1	269.2	242	75	106	6	62	3	4	1,077	1	2.87	2.07	1.39	0.20	8.0	5.8	1.13	.257	3.54	93	2.78	102	8.08	-1.9
18	Jack Coombs J. Coombs	2.58	1915	BKN	29	15	10	.600	24	56	17	2	0	195.2	166	56	71	1	91	16	3	837	3	2.58	4.19	0.62	0.05	6.7	10.9	1.31	.245	3.27	92	3.54	124	7.64	-14.3
19	Jimmy Lavender J. Lavender	2.58	1915	CHC	41	10	16	.385	24	117	13	1	4	220.0	178	63	77	5	67	10	13	885	7	4.79	2.74	1.75	0.20	13.2	7.6	1.11	.252	3.15	94	2.69	96	7.28	2.6
20	Sherry Smith S. Smith	2.59	1915	BKN	29	14	8	.636	20	52	11	2	2	173.2	169	50	71	3	42	5	9	713	3	2.69	2.18	1.24	0.16	7.3	5.9	1.21	.272	3.68	93	2.85	100	8.76	0.5
21	George McQuillan G. McQuillan	2.62	1915	TOT	39	12	13	.480	28	69	14	0	1	212.2	220	62	95	2	50	3	8	888	0	2.92	2.12	1.38	0.08	7.8	5.6	1.27	.285	4.02	96	2.63	94	9.31	3.5
22	Bill Doak B. Doak	2.64	1915	SLN	38	16	18	.471	36	124	19	3	1	276.0	263	81	103	4	85	8	2	1,147	2	4.04	2.77	1.46	0.13	10.8	7.4	1.26	.280	3.36	96	2.71	97	8.58	2.7
23	Pol Perritt P. Perritt	2.66	1915	NYG	35	12	18	.400	29	91	16	4	0	220.0	226	65	95	6	59	12	4	943	4	3.72	2.41	1.54	0.25	9.7	6.3	1.30	.284	3.89	101	2.90	108	9.25	-6.6
24	Sailor Stroud S. Stroud	2.79	1915	NYG	32	12	9	.571	22	62	8	0	1	184.0	194	57	76	3	35	6	9	754	2	3.03	1.71	1.77	0.15	8.2	4.6	1.24	.295	3.72	106	2.62	97	9.49	0.7
25	Slim Sallee S. Sallee	2.84	1915	SLN	46	13	17	.433	33	91	17	2	3	275.1	245	87	121	6	57	3	13	1,128	0	2.97	1.86	1.60	0.20	8.1	5.1	1.10	.246	3.96	104	2.69	96	8.01	3.4