Roy Oswalt had the lowest ERA in the NL in 2006, with an ERA of 2.98.

Interpreted as:

Who had the best era with a minimum of 1 IP per team game in the nl in 2006?

	NAME	ERA	SEASON	TM	G	W	L	W%	GS	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Roy Oswalt R. Oswalt	2.98	2006	HOU	33	15	8	.652	32	166	2	0	0	220.2	220	73	76	18	38	6	1	4	896	1	6.77	1.55	4.37	0.73	18.5	4.2	1.17	.302	3.10	67	3.29	72	8.97	31.1
2	Chris Carpenter C. Carpenter	3.09	2006	STL	32	15	8	.652	32	184	5	3	0	221.2	194	76	81	21	43	10	0	3	896	3	7.47	1.75	4.28	0.85	20.5	4.8	1.07	.271	3.29	71	3.43	77	7.88	25.1
3	Brandon Webb B. Webb	3.10	2006	ARI	33	16	8	.667	33	178	5	3	0	235.0	216	81	91	15	50	6	0	4	950	5	6.82	1.91	3.56	0.57	18.7	5.3	1.13	.287	3.49	66	3.17	68	8.27	38.1
4	Bronson Arroyo B. Arroyo	3.29	2006	CIN	35	14	11	.560	35	184	3	1	0	240.2	222	88	98	31	64	5	0	7	992	6	6.88	2.39	2.88	1.16	18.5	6.5	1.19	.270	3.66	72	4.14	89	8.30	13.7
5	Carlos Zambrano C. Zambrano	3.41	2006	CHC	33	16	7	.696	33	210	0	0	0	214.0	162	81	91	20	115	9	0	4	917	9	8.83	4.84	1.83	0.84	22.9	12.5	1.29	.252	3.83	73	4.13	89	6.81	11.5
6	Chris Young C. Young	3.46	2006	SDP	31	11	5	.688	31	164	0	0	0	179.1	134	69	72	28	69	6	0	4	735	6	8.23	3.46	2.38	1.41	22.3	9.4	1.13	.226	3.61	84	4.59	106	6.72	-5.5
7	John Smoltz J. Smoltz	3.49	2006	ATL	35	16	9	.640	35	211	3	1	0	232.0	221	90	93	23	55	9	0	4	960	5	8.19	2.13	3.84	0.89	22.0	5.7	1.19	.299	3.61	78	3.44	77	8.57	27
8	Jason Schmidt J. Schmidt	3.59	2006	SFG	32	11	9	.550	32	180	3	1	0	213.1	189	85	94	21	80	6	0	6	894	11	7.59	3.38	2.25	0.89	20.1	8.9	1.26	.277	3.97	79	3.94	89	7.97	11.7
9	Derek Lowe D. Lowe	3.63	2006	LAD	35	16	8	.667	34	123	1	0	0	218.0	221	88	97	14	55	5	1	2	913	3	5.08	2.27	2.24	0.58	13.5	6.0	1.27	.289	4.00	83	3.67	82	9.12	19.7
10	Clay Hensley C. Hensley	3.71	2006	SDP	37	11	12	.478	29	122	1	1	0	187.0	174	77	82	15	76	3	2	7	787	3	5.87	3.66	1.61	0.72	15.5	9.7	1.34	.278	3.95	90	4.14	95	8.37	4
11	Aaron Harang A. Harang	3.76	2006	CIN	36	16	11	.593	35	216	6	2	0	234.1	242	98	109	28	56	8	0	8	993	6	8.30	2.15	3.86	1.08	21.8	5.6	1.27	.312	4.19	82	3.67	79	9.29	25.4
12	Jason Jennings J. Jennings	3.78	2006	COL	32	9	13	.409	32	142	3	2	0	212.0	206	89	94	17	85	3	0	7	902	10	6.03	3.61	1.67	0.72	15.7	9.4	1.37	.289	3.99	77	4.09	87	8.75	14.3
13	Tom Glavine T. Glavine	3.82	2006	NYM	32	15	7	.682	32	131	0	0	0	198.0	202	84	94	22	62	6	0	7	842	1	5.95	2.82	2.11	1.00	15.6	7.4	1.33	.290	4.27	88	4.29	96	9.18	4.1
14	Dontrelle Willis D. Willis	3.87	2006	FLA	34	12	12	.500	34	160	4	1	0	223.1	234	96	106	21	83	19	0	6	975	6	6.45	3.34	1.93	0.85	16.4	8.5	1.42	.308	4.27	88	4.30	97	9.43	3.2
15	Brett Myers B. Myers	3.91	2006	PHI	31	12	7	.632	31	189	1	0	0	198.0	194	86	93	29	63	3	0	3	833	3	8.59	2.86	3.00	1.32	22.7	7.6	1.30	.301	4.23	85	4.13	89	8.82	11.5
16	Chris Capuano C. Capuano	4.03	2006	MIL	34	11	12	.478	34	174	3	2	0	221.1	229	99	108	29	47	9	0	4	936	7	7.08	1.91	3.70	1.18	18.6	5.0	1.25	.295	4.39	90	4.03	89	9.31	12.2
17	Scott Olsen S. Olsen	4.04	2006	FLA	31	12	10	.545	31	166	0	0	0	180.2	160	81	94	23	75	7	0	1	761	8	8.27	3.74	2.21	1.15	21.8	9.9	1.30	.280	4.68	92	4.32	97	7.97	2.2
18	Jake Peavy J. Peavy	4.09	2006	SDP	32	11	14	.440	32	215	2	0	0	202.1	187	92	93	23	62	6	0	11	846	4	9.56	2.76	3.47	1.02	25.4	7.3	1.23	.304	4.14	99	3.50	81	8.32	19.4
19	Jeff Suppan J. Suppan	4.12	2006	STL	32	12	7	.632	32	104	0	0	0	190.0	207	87	100	21	69	8	0	6	837	8	4.93	3.27	1.51	0.99	12.4	8.2	1.45	.293	4.74	95	4.70	106	9.81	-5.8
20	Matt Cain M. Cain	4.15	2006	SFG	32	13	12	.520	31	179	1	1	0	190.2	157	88	93	18	87	6	1	1	818	9	8.45	4.11	2.06	0.85	21.9	10.6	1.28	.263	4.39	92	3.95	89	7.41	10.2
21	Jeff Francis J. Francis	4.16	2006	COL	32	13	11	.542	32	117	1	1	0	199.0	187	92	101	18	69	13	0	15	843	0	5.29	3.12	1.70	0.81	13.9	8.2	1.29	.270	4.57	85	4.38	93	8.46	7.3
22	Andy Pettitte A. Pettitte	4.20	2006	HOU	36	14	13	.519	35	178	2	1	0	214.1	238	100	114	27	70	2	1	9	929	2	7.47	2.94	2.54	1.13	19.2	7.5	1.44	.324	4.79	95	4.12	90	9.99	10.6
23	Greg Maddux G. Maddux	4.20	2006	TOT	34	15	14	.517	34	117	0	0	0	210.0	219	98	109	20	37	0	0	7	862	0	5.01	1.59	3.16	0.86	13.6	4.3	1.22	.289	4.67	92	3.79	83	9.39	18
24	Aaron Cook A. Cook	4.23	2006	COL	32	9	15	.375	32	92	0	0	0	212.2	242	100	107	17	55	7	0	11	915	2	3.89	2.33	1.67	0.72	10.1	6.0	1.40	.302	4.53	87	4.19	89	10.24	12.1
25	Brad Penny B. Penny	4.33	2006	LAD	34	16	9	.640	33	148	0	0	0	189.0	206	91	94	19	54	9	0	4	813	6	7.05	2.57	2.74	0.90	18.2	6.6	1.38	.321	4.48	99	3.88	87	9.81	12.6