what was the first mlb hall of fame class

Cap Anson was inducted into the Hall of Fame in 1939.

Interpreted as:

What was the first MLB hall of fame by a player class?

	NAME	HOF	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	PA	TB	XBH	SH	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Cap Anson C. Anson	1939	2,277	9,104	1,722	3,012	529	124	97	1,306	953	32	146	247	10,123	4,080	750	34	.331	.396	.448	.844	2154	654.1	.397	134	525.3
2	Jim O'Rourke J. O'Rourke	1945	1,774	7,435	1,446	2,304	414	132	50	656	481	36	85	191	7,952	3,132	596	0	.310	.355	.421	.776	1511	355.9	.362	125	301.9
3	Deacon White D. White	2013	1,299	5,335	849	1,619	217	73	18	352	292	41		46	5,668	2,036	308		.303	.344	.382	.726	1013	191.9	.339	118	147.2
4	King Kelly K. Kelly	1945	1,455	5,894	1,357	1,813	359	102	69	550	549	12	77	368	6,455	2,583	530		.308	.368	.438	.806	1302	371.1	.375	130	291.8
5	John Ward J. Ward	1964	1,827	7,656	1,410	2,107	231	96	26	589	421	17	40	540	8,114	2,608	353	20	.275	.314	.341	.655	1182	-17.8	.311	96	-54.9
6	Dan Brouthers D. Brouthers	1945	1,673	6,711	1,523	2,296	460	205	106	994	840	105	83	256	7,676	3,484	771	20	.342	.423	.519	.942	1874	728.6	.436	155	655.7
7	Pud Galvin P. Galvin	1965	718	2,702	270	546	85	30	5	98	38	2	48	20	2,742	706	120		.202	.214	.261	.475	230	-162.3	.219	57	-178.2
8	Roger Connor R. Connor	1976	1,998	7,797	1,620	2,467	441	233	138	1,071	1,002	39	151	244	8,847	3,788	812	9	.316	.397	.486	.883	1952	630.3	.409	142	569.9
9	Buck Ewing B. Ewing	1939	1,315	5,363	1,129	1,625	250	178	71	742	392	9	93	354	5,772	2,444	499	8	.303	.351	.456	.807	1109	243.9	.372	122	194
10	Tim Keefe T. Keefe	1964	618	2,083	248	390	60	38	12	93	175	3	100	13	2,262	562	110		.187	.252	.270	.521	234	-95	.249	69	-106.1
11	Old Hoss Radbourn O. Hoss Radbourn	1939	653	2,487	308	585	64	11	9	113	158	9	11	26	2,654	698	84		.235	.283	.281	.564	328	-58.6	.269	82	-71.8
12	Mickey Welch M. Welch	1973	607	2,201	268	492	93	16	12	88	82	3	14	10	2,286	653	121		.224	.252	.297	.549	255	-74.2	.255	75	-86.7
13	John Clarkson J. Clarkson	1963	546	1,974	254	432	73	26	24	213	81	1	118	31	2,060	629	123	4	.219	.250	.319	.569	217	-88.2	.266	64	-116.1
14	Bid McPhee B. McPhee	2000	2,138	8,304	1,684	2,258	303	189	53	935	982	69	260	568	9,429	3,098	545	56	.272	.355	.373	.728	1594	183	.350	108	117.7
15	Tommy McCarthy T. McCarthy	1946	1,273	5,120	1,066	1,493	191	53	44	732	536	50	104	468	5,739	1,922	288	33	.292	.364	.375	.740	985	110.9	.358	104	42
16	Sam Thompson S. Thompson	1974	1,410	5,998	1,261	1,988	343	161	126	1,305	451	63	101	232	6,525	3,031	630	13	.331	.384	.505	.890	1414	415	.410	135	375.3
17	Jake Beckley J. Beckley	1971	2,389	9,538	1,602	2,934	473	244	87	1,578	616	183	442	315	10,504	4,156	804	167	.308	.361	.436	.797	1803	356.2	.376	119	288.8
18	Ed Delahanty E. Delahanty	1945	1,837	7,511	1,600	2,597	522	186	101	1,466	741	94	366	455	8,400	3,794	809	54	.346	.411	.505	.916	1836	616.8	.428	144	559.3
19	Hugh Duffy H. Duffy	1945	1,737	7,044	1,554	2,293	325	119	106	1,302	664	29	186	574	7,841	3,174	550	104	.326	.386	.451	.837	1526	360.4	.395	118	242.5
20	Billy Hamilton B. Hamilton	1961	1,594	6,283	1,697	2,164	242	95	40	742	1,189	89	271	914	7,608	2,716	377	47	.344	.455	.432	.888	1716	578.6	.433	142	505.5
21	Amos Rusie A. Rusie	1977	487	1,730	209	429	42	29	8	176	27	6	141	25	1,765	553	79	2	.248	.262	.320	.582	165	-104.1	.274	61	-108.8
22	Jesse Burkett J. Burkett	1946	2,067	8,426	1,720	2,850	320	182	75	952	1,029	75	561	389	9,620	3,759	577	90	.338	.415	.446	.861	1921	592.9	.411	137	526.7
23	George Davis G. Davis	1998	2,372	9,045	1,545	2,665	453	163	73	1,440	874	75	579	619	10,178	3,663	689	184	.295	.362	.405	.767	1643	293.1	.366	117	266.9
24	Kid Nichols K. Nichols	1949	650	2,090	273	472	58	24	16	278	137	12	307	19	2,264	626	98	25	.226	.277	.300	.577	215	-113	.280	59	-140.5
25	Cy Young C. Young	1937	918	2,960	325	623	87	35	18	290	81	10	373	29	3,101	834	140	50	.210	.234	.282	.516	198	-212.2	.245	45	-238.4