Sandy Koufax had the lowest ERA in the NL in 1964, with an ERA of 1.74.

Interpreted as:

Who had the best era with a minimum of 1 IP per team game in the nl in 1964?

	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	Sandy Koufax S. Koufax	1.74	1964	LAD	29	19	5	.792	28	223	15	7	1	223.0	154	43	49	13	53	0	1	5	870	9	9.00	2.14	4.21	0.52	25.6	6.1	0.93	.243	1.98	53	2.08	67	6.22	27.1
2	Don Drysdale D. Drysdale	2.18	1964	LAD	40	18	16	.529	40	237	21	5	0	321.1	242	78	91	15	68	10	0	9	1,264	11	6.64	1.90	3.49	0.42	18.8	5.4	0.96	.243	2.55	67	2.46	79	6.78	23.9
3	Chris Short C. Short	2.20	1964	PHI	42	17	9	.654	31	181	12	4	2	220.2	174	54	63	10	51	4	4	5	867	4	7.38	2.08	3.55	0.41	20.9	5.9	1.02	.264	2.57	64	2.30	69	7.10	25.3
4	Juan Marichal J. Marichal	2.48	1964	SFG	33	21	8	.724	33	206	22	4	0	269.0	241	74	89	18	52	1	0	8	1,089	4	6.89	1.74	3.96	0.60	18.9	4.8	1.09	.275	2.98	70	2.53	75	8.06	25.6
5	Jim Bunning J. Bunning	2.63	1964	PHI	41	19	8	.704	39	219	13	5	2	284.1	248	83	99	23	46	14	2	3	1,145	2	6.93	1.46	4.76	0.73	19.1	4.0	1.03	.267	3.13	76	2.75	83	7.85	18.2
6	Jim O'Toole J. O'Toole	2.66	1964	CIN	30	17	7	.708	30	145	9	3	0	220.0	194	65	71	8	51	0	0	7	888	2	5.93	2.09	2.84	0.33	16.3	5.7	1.11	.272	2.90	72	2.45	70	7.94	25.6
7	Jim Maloney J. Maloney	2.71	1964	CIN	31	15	10	.600	31	214	11	2	0	216.0	175	65	72	16	83	1	0	5	885	16	8.92	3.46	2.58	0.67	24.2	9.4	1.19	.278	3.00	74	2.75	78	7.29	18.3
8	Bob Veale B. Veale	2.74	1964	PIT	40	18	12	.600	38	250	14	1	0	279.2	222	85	100	8	124	3	1	9	1,161	18	8.05	3.99	2.02	0.26	21.5	10.7	1.24	.276	3.22	77	2.55	75	7.14	26
9	Gaylord Perry G. Perry	2.75	1964	SFG	44	12	11	.522	19	155	5	2	4	206.1	179	63	65	16	43	5	11	6	832	5	6.76	1.88	3.60	0.70	18.6	5.2	1.08	.266	2.84	78	2.81	83	7.81	13.3
10	Bob Bruce B. Bruce	2.76	1964	HOU	35	15	9	.625	29	135	9	4	0	202.1	191	62	70	8	33	3	2	4	830	4	6.00	1.47	4.09	0.36	16.3	4.0	1.11	.281	3.11	82	2.32	72	8.50	20.8
11	Bob Gibson B. Gibson	3.01	1964	STL	40	19	12	.613	36	245	17	2	1	287.1	250	96	106	25	86	9	3	9	1,191	6	7.67	2.69	2.85	0.78	20.6	7.2	1.17	.272	3.32	79	3.02	83	7.83	20
12	Bob Purkey B. Purkey	3.04	1964	CIN	34	11	9	.550	25	78	9	2	1	195.2	181	66	77	16	49	7	3	4	808	6	3.59	2.25	1.59	0.74	9.7	6.1	1.18	.251	3.54	83	3.73	106	8.33	-3.9
13	Larry Jackson L. Jackson	3.14	1964	CHC	40	24	11	.686	38	148	19	3	0	297.2	265	104	114	17	58	1	1	8	1,200	4	4.47	1.75	2.55	0.51	12.3	4.8	1.09	.254	3.45	85	2.95	83	8.01	20
14	Bobby Bolin B. Bolin	3.25	1964	SFG	38	6	9	.400	23	146	5	3	1	174.2	143	63	71	16	77	10	4	3	743	5	7.52	3.97	1.90	0.82	19.7	10.4	1.26	.257	3.66	92	3.62	107	7.37	-4.4
15	Roger Craig R. Craig	3.25	1964	STL	39	7	9	.438	19	84	3	0	5	166.0	180	60	76	16	35	4	12	4	706	2	4.55	1.90	2.40	0.87	11.9	5.0	1.30	.289	4.12	85	3.55	97	9.76	2.5
16	Turk Farrell T. Farrell	3.27	1964	HOU	32	11	10	.524	27	117	7	0	0	198.1	196	72	80	21	52	3	3	4	822	1	5.31	2.36	2.25	0.95	14.2	6.3	1.25	.278	3.63	97	3.63	113	8.89	-10.1
17	Bob Friend B. Friend	3.33	1964	PIT	35	13	18	.419	35	128	13	3	0	240.1	253	89	98	10	50	4	0	12	1,004	2	4.79	1.87	2.56	0.37	12.7	5.0	1.26	.299	3.67	94	2.75	81	9.47	16.9
18	Joey Jay J. Jay	3.39	1964	CIN	34	11	11	.500	23	134	10	0	2	183.0	167	69	75	17	36	3	7	6	737	3	6.59	1.77	3.72	0.84	18.2	4.9	1.11	.274	3.69	92	2.99	85	8.21	10.9
19	Curt Simmons C. Simmons	3.43	1964	STL	34	18	9	.667	34	104	12	3	0	244.0	233	93	106	24	49	5	0	1	1,006	1	3.84	1.81	2.12	0.89	10.3	4.9	1.16	.254	3.91	90	3.70	101	8.59	0.1
20	Tony Cloninger T. Cloninger	3.56	1964	MIL	38	19	14	.576	34	163	15	3	2	242.2	206	96	112	20	82	3	2	9	997	13	6.05	3.04	1.99	0.74	16.3	8.2	1.19	.255	4.15	103	3.38	102	7.64	-2
21	Vern Law V. Law	3.61	1964	PIT	35	12	13	.480	29	93	7	5	0	192.0	203	77	85	18	32	1	1	6	795	1	4.36	1.50	2.91	0.84	11.7	4.0	1.22	.284	3.98	102	3.37	99	9.52	0.4
22	Galen Cisco G. Cisco	3.62	1964	NYM	36	6	19	.240	25	78	5	2	0	191.2	182	77	85	17	54	6	5	4	787	5	3.66	2.54	1.44	0.80	9.9	6.9	1.23	.261	3.99	103	3.88	116	8.55	-11.5
23	Ken Johnson K. Johnson	3.63	1964	HOU	35	11	16	.407	35	117	7	1	0	218.0	209	88	100	15	44	7	0	6	909	3	4.83	1.82	2.66	0.62	12.9	4.8	1.16	.267	4.13	108	3.13	97	8.63	1.7
24	Bob Hendley B. Hendley	3.64	1964	SFG	30	10	11	.476	29	104	4	1	1	163.1	161	66	71	18	59	2	1	9	696	0	5.73	3.25	1.76	0.99	14.9	8.5	1.35	.279	3.91	103	3.88	115	8.87	-9
25	Dennis Bennett D. Bennett	3.68	1964	PHI	41	12	14	.462	32	125	7	2	2	208.0	222	85	92	23	58	5	4	8	881	6	5.41	2.51	2.16	1.00	14.2	6.6	1.35	.297	3.98	106	3.75	113	9.61	-10.3