who had the best era in the nl in 1970's

Between the 1970 and 1979 seasons, Rich Gossage had the best ERA in the NL, with an ERA of 1.62.

Interpreted as:

Who had the best era with a minimum of 0.5 IP per team game in the nl in 1970’s?

	NAME	ERA	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	Rich Gossage R. Gossage	1.62	72	11	9	.550	0	151	0	0	26	133.0	78	24	27	9	49	2	55	6	523	2	10.22	3.32	3.08	0.61	28.9	9.4	0.95	.221	1.83	41	2.49	63	5.28	21.4
2	Bruce Sutter B. Sutter	2.33	240	27	22	.551	0	418	0	0	105	390.2	281	101	121	22	115	2	179	27	1,560	26	9.63	2.65	3.63	0.51	26.8	7.4	1.01	.258	2.79	58	2.16	56	6.47	72.9
3	John Fulgham J. Fulgham	2.53	20	10	6	.625	19	75	10	2	0	146.0	123	41	47	10	26	3	0	3	576	2	4.62	1.60	2.88	0.62	13.0	4.5	1.02	.245	2.90	68	3.18	87	7.58	7.7
4	Mark Littell M. Littell	2.53	135	13	12	.520	2	197	0	0	24	188.2	140	53	60	10	98	4	91	21	789	16	9.40	4.67	2.01	0.48	25.0	12.4	1.26	.271	2.86	69	2.86	81	6.68	14.1
5	Clay Carroll C. Carroll	2.60	410	56	32	.636	11	343	0	0	99	677.2	650	196	224	32	224	14	222	63	2,831	13	4.56	2.97	1.53	0.42	12.1	7.9	1.29	.279	2.97	73	3.21	91	8.63	22.7
6	Tom Seaver T. Seaver	2.61	348	178	101	.638	345	2,304	147	40	0	2652.1	2,105	768	843	190	741	28	2	65	10,607	64	7.82	2.51	3.11	0.64	21.7	7.0	1.07	.261	2.86	73	2.64	74	7.14	272
7	Kent Tekulve K. Tekulve	2.65	363	35	22	.614	0	313	0	0	83	540.1	459	159	187	21	190	7	214	59	2,230	14	5.21	3.16	1.65	0.35	14.0	8.5	1.20	.258	3.11	71	3.09	83	7.65	36.9
8	Gary Lavelle G. Lavelle	2.66	350	43	38	.531	0	370	0	0	74	522.0	484	154	181	22	233	9	216	68	2,239	9	6.38	4.02	1.59	0.38	16.5	10.4	1.37	.288	3.12	73	3.17	90	8.34	21.9
9	Dick Tidrow D. Tidrow	2.72	63	11	5	.688	0	68	0	0	4	102.2	86	31	35	5	42	2	27	11	425	3	5.96	3.68	1.62	0.44	16.0	9.9	1.25	.263	3.07	66	3.31	84	7.54	7.3
10	Bob Welch B. Welch	2.85	48	12	10	.545	25	130	5	3	8	192.2	174	61	70	13	58	4	16	6	788	2	6.07	2.71	2.24	0.61	16.5	7.4	1.20	.276	3.27	79	3.13	85	8.13	11.5
11	Andy Messersmith A. Messersmith	2.88	170	71	49	.592	167	841	56	16	2	1235.2	989	395	446	105	414	18	3	13	5,030	38	6.13	3.02	2.03	0.76	16.7	8.2	1.14	.242	3.25	80	3.39	92	7.20	37.3
12	Dan Schatzeder D. Schatzeder	2.91	67	19	13	.594	42	189	6	1	1	327.1	260	106	117	27	140	3	5	7	1,356	11	5.20	3.85	1.35	0.74	13.9	10.3	1.22	.234	3.22	81	3.88	108	7.15	-10.9
13	John Candelaria J. Candelaria	2.94	146	70	38	.648	141	561	32	7	2	967.1	857	316	354	99	236	14	4	28	3,941	7	5.22	2.20	2.38	0.92	14.2	6.0	1.13	.250	3.29	80	3.60	97	7.97	12.2
14	Gaylord Perry G. Perry	2.95	147	72	42	.632	147	666	52	9	0	1102.0	1,013	361	440	68	284	19	0	30	4,503	29	5.44	2.32	2.35	0.56	14.8	6.3	1.18	.273	3.59	82	3.01	84	8.27	68.5
15	Tommy John T. John	2.97	182	87	42	.674	174	649	37	11	1	1198.0	1,169	396	460	64	296	16	6	17	4,956	37	4.88	2.22	2.19	0.48	13.1	6.0	1.22	.281	3.46	86	2.97	84	8.78	75.9
16	Enrique Romo E. Romo	2.99	84	10	5	.667	0	106	0	0	5	129.1	122	43	50	11	43	3	25	9	537	6	7.38	2.99	2.47	0.77	19.7	8.0	1.28	.297	3.48	79	3.25	85	8.49	8.5
17	Don Wilson D. Wilson	3.01	167	64	55	.538	153	707	49	13	2	1124.2	936	376	425	83	403	27	7	17	4,663	42	5.66	3.22	1.75	0.66	15.2	8.6	1.19	.248	3.40	85	3.36	97	7.49	10.2
18	Don Gullett D. Gullett	3.03	236	91	44	.674	156	777	35	13	11	1187.0	1,022	400	442	98	412	10	35	40	4,902	31	5.89	3.12	1.89	0.74	15.9	8.4	1.21	.256	3.35	87	3.37	97	7.75	12.2
19	Jon Matlack J. Matlack	3.03	203	82	81	.503	199	1,023	65	26	0	1448.0	1,312	488	557	92	419	15	2	57	5,953	42	6.36	2.60	2.44	0.57	17.2	7.0	1.20	.277	3.46	87	2.88	82	8.15	100.6
20	Bill Lee B. Lee	3.04	33	16	10	.615	33	59	6	3	0	222.0	230	75	91	20	46	1	0	1	925	0	2.39	1.86	1.28	0.81	6.4	5.0	1.24	.263	3.69	83	3.99	108	9.32	-7.8
21	Mike Marshall M. Marshall	3.05	473	67	65	.508	5	616	0	0	123	899.1	809	305	349	50	341	18	365	43	3,779	44	6.16	3.41	1.81	0.50	16.3	9.0	1.28	.276	3.49	85	3.09	85	8.10	53.4
22	Don Sutton D. Sutton	3.07	352	166	110	.601	349	1,767	117	39	2	2557.1	2,174	871	975	214	660	45	3	45	10,403	63	6.22	2.32	2.68	0.75	17.0	6.3	1.11	.254	3.43	87	3.11	88	7.65	121.3
23	Tug McGraw T. McGraw	3.07	542	69	58	.543	9	726	1	1	132	967.1	815	330	376	67	371	16	374	89	4,009	34	6.75	3.45	1.96	0.62	18.1	9.3	1.23	.264	3.50	84	3.17	88	7.58	44.2
24	Pete Vuckovich P. Vuckovich	3.11	79	27	22	.551	55	294	15	2	1	431.1	416	149	173	31	123	5	15	9	1,787	14	6.13	2.57	2.39	0.65	16.5	6.9	1.25	.289	3.61	84	3.11	87	8.68	20.8
25	Gary Nolan G. Nolan	3.13	173	79	47	.627	173	635	31	6	0	1171.0	1,074	407	438	102	260	6	0	35	4,760	17	4.88	2.00	2.44	0.78	13.3	5.5	1.14	.259	3.37	88	3.28	94	8.25	23.9