which starting pitcher for the asstros has the lowest era in a season with atleast 170 innings pitched

Justin Verlander has the lowest ERA by an Astros starting pitcher with 170.0+ innings pitched in a season, with an ERA of 1.75 in 2022.

Interpreted as:

Which starting pitcher for the asstros has the lowest era in a season with atleast 170 or more innings pitched?

	NAME	ERA	IP	SEASON	TM	G	W	L	W%	GS	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Justin Verlander J. Verlander	1.75	175.0	2022	HOU	28	18	4	.818	28	185	0	0	0	116	34	43	12	29	6	0	0	666	3	9.51	1.49	6.38	0.62	27.8	4.4	0.83	.240	2.21	5.97
2	Roger Clemens R. Clemens	1.87	211.1	2005	HOU	32	13	8	.619	32	185	1	0	0	151	44	51	11	62	3	0	5	838	3	7.88	2.64	2.98	0.47	22.1	7.4	1.01	.243	2.17	6.43
3	Mike Scott M. Scott	2.22	275.1	1986	HOU	37	18	10	.643	37	306	7	5	0	182	68	73	17	72	2	0	6	1,065	3	10.00	2.35	4.25	0.56	28.7	6.8	0.92	.247	2.39	5.95
4	Mike Cuellar M. Cuellar	2.32	205.2	1966	HOU	28	9	9	.500	28	155	11	1	0	174	53	75	9	48	0	0	7	829	8	6.78	2.10	3.23	0.39	18.7	5.8	1.08	.267	3.28	7.61
5	Larry Dierker L. Dierker	2.36	301.1	1969	HOU	37	20	13	.606	37	231	20	4	0	237	79	97	18	70	1	0	5	1,190	9	6.90	2.09	3.30	0.54	19.4	5.9	1.02	.252	2.90	7.08
6	Andy Pettitte A. Pettitte	2.39	222.1	2005	HOU	33	17	9	.654	33	171	0	0	0	188	59	66	17	41	3	0	0	875	2	6.92	1.66	4.17	0.69	19.5	4.7	1.03	.266	2.67	7.61
7	Don Wilson D. Wilson	2.46	267.1	1971	HOU	34	16	10	.615	34	180	18	3	0	194	73	80	15	79	7	0	3	1,064	5	6.06	2.66	2.28	0.50	16.9	7.4	1.02	.229	2.69	6.53
8	Joe Niekro J. Niekro	2.47	270.0	1982	HOU	35	17	12	.586	35	130	16	5	0	224	74	79	12	64	5	0	1	1,067	19	4.33	2.13	2.03	0.40	12.2	6.0	1.07	.248	2.63	7.47
9	Dallas Keuchel D. Keuchel	2.48	232.0	2015	HOU	33	20	8	.714	33	216	3	2	0	185	64	68	17	51	2	0	0	911	9	8.38	1.98	4.24	0.66	23.7	5.6	1.02	.269	2.64	7.18
10	Gerrit Cole G. Cole	2.50	212.1	2019	HOU	33	20	5	.800	33	326	0	0	0	142	59	66	29	48	3	0	0	817	4	13.82	2.03	6.79	1.23	39.9	5.9	0.89	.275	2.80	6.02
11	Justin Verlander J. Verlander	2.52	214.0	2018	HOU	34	16	9	.640	34	290	1	1	0	156	60	63	28	37	8	0	0	833	5	12.20	1.56	7.84	1.18	34.8	4.4	0.90	.272	2.65	6.56
12	Darryl Kile D. Kile	2.57	255.2	1997	HOU	34	19	7	.731	34	205	6	4	0	208	73	87	19	94	10	0	2	1,056	7	7.22	3.31	2.18	0.67	19.4	8.9	1.18	.260	3.06	7.32
13	Justin Verlander J. Verlander	2.58	223.0	2019	HOU	34	21	6	.778	34	300	2	1	0	137	64	66	36	42	6	0	0	847	4	12.11	1.70	7.14	1.45	35.4	5.0	0.80	.218	2.66	5.53
14	Ken Johnson K. Johnson	2.67	219.0	1963	HOU	32	10	16	.385	32	146	6	1	0	199	65	85	12	50	8	0	4	901	1	6.00	2.05	2.92	0.49	16.2	5.5	1.14	.273	3.49	8.18
15	Don Wilson D. Wilson	2.68	228.1	1972	HOU	33	15	10	.600	33	172	13	3	0	196	68	79	16	66	2	0	2	927	11	6.78	2.60	2.61	0.63	18.6	7.1	1.15	.268	3.11	7.73
16	Don Wilson D. Wilson	2.70	180.1	1967	HOU	28	10	7	.588	28	155	7	3	0	138	54	63	10	64	7	0	1	737	9	7.74	3.19	2.42	0.50	21.0	8.7	1.12	.255	3.14	6.89
17	Pete Harnisch P. Harnisch	2.70	216.2	1991	HOU	33	12	9	.571	33	172	4	2	0	169	65	71	14	83	5	0	3	900	5	7.14	3.45	2.07	0.58	19.1	9.2	1.16	.248	2.95	7.02
18	J.R. Richard	2.71	292.1	1979	HOU	38	18	13	.581	38	313	19	4	0	220	88	98	13	98	3	0	5	1,175	19	9.64	3.02	3.19	0.40	26.6	8.3	1.09	.277	3.02	6.77
19	J.R. Richard	2.75	291.0	1976	HOU	39	20	15	.571	39	214	14	3	0	221	89	105	14	151	4	0	4	1,218	13	6.62	4.67	1.42	0.43	17.6	12.4	1.28	.248	3.25	6.84
20	Nolan Ryan N. Ryan	2.76	211.2	1987	HOU	34	8	16	.333	34	270	0	0	0	154	65	75	14	87	4	0	2	873	10	11.48	3.70	3.10	0.60	30.9	10.0	1.14	.281	3.19	6.55
21	Mark Portugal M. Portugal	2.77	208.0	1993	HOU	33	18	4	.818	33	131	1	1	0	194	64	75	10	77	4	0	3	876	9	5.67	3.33	1.70	0.43	15.0	8.8	1.30	.281	3.25	8.39
22	Denny Lemaster D. Lemaster	2.80	222.0	1968	HOU	32	10	15	.400	32	144	7	2	0	229	69	78	10	71	4	0	11	958	7	5.84	2.88	2.03	0.41	15.0	7.4	1.35	.300	3.16	9.28
23	Framber Valdez F. Valdez	2.82	201.1	2022	HOU	31	17	6	.739	31	194	3	1	0	166	63	71	11	67	11	0	0	827	11	8.67	3.00	2.90	0.49	23.5	8.1	1.16	.285	3.17	7.42
24	Dave Roberts D. Roberts	2.85	246.1	1973	HOU	36	17	11	.607	36	117	12	6	0	259	78	91	15	59	2	0	8	1,037	2	4.27	2.16	1.98	0.55	11.3	5.7	1.29	.289	3.32	9.46
25	Bob Bruce B. Bruce	2.85	192.1	1964	HOU	29	14	9	.609	29	122	9	4	0	179	61	69	8	30	3	0	3	786	4	5.71	1.40	4.07	0.37	15.5	3.8	1.09	.274	3.23	8.38