Second basemen won the MVP award once in 1931.

Interpreted as:

How many second basemen have won mvp in a regular season?

	POSITION	MVP	SEASON	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Second Baseman	1	1931	2,674	9,328	1,285	2,599	489	99	65	1,077	824	29	693	144		10,354	3,481	653	173				.279	.339	.373	.712	1224	-56.7	.333	89	-145.8
2	Second Baseman	1	1937	2,842	9,755	1,282	2,640	466	101	121	1,158	956	32	840	102		10,907	3,671	688	164				.271	.338	.376	.714	1271	-97.4	.333	87	-199.3
3	Second Baseman	1	1942	2,805	9,566	1,112	2,398	395	75	91	983	914	31	906	122		10,689	3,216	561	178			213	.251	.318	.336	.654	1071	-66.8	.315	87	-152.1
4	Second Baseman	1	1949	3,039	9,997	1,395	2,720	440	92	152	1,176	1,199	52	813	125		11,399	3,800	684	151			282	.272	.353	.380	.733	1388	34	.347	96	-60.9
5	Second Baseman	1	1959	3,041	10,148	1,309	2,662	403	88	150	919	958	47	1,084	126	85	11,367	3,691	641	154	60	51	237	.262	.327	.364	.691	1234	-68.4	.311	88	-162.2
6	Second Baseman	1	1975	4,545	15,106	1,946	4,039	573	116	174	1,481	1,397	86	1,570	476	246	16,990	5,366	863	278	123	86	328	.267	.330	.355	.686	1805	-59.3	.317	94	-123.5
7	Second Baseman	1	1976	4,557	13,981	1,643	3,525	497	141	104	1,205	1,151	71	1,414	504	226	15,555	4,616	742	252	100	60	291	.252	.310	.330	.640	1449	-184	.298	86	-240.5
8	Second Baseman	1	1984	5,039	16,277	2,103	4,288	728	130	186	1,387	1,466	71	2,040	552	224	18,118	5,834	1,044	187	117	88	320	.263	.325	.358	.683	1914	-108.3	.310	92	-163.6
9	Second Baseman	1	2000	5,616	19,165	2,994	5,320	988	145	365	2,099	2,081	197	2,881	587	234	21,805	7,693	1,498	198	164	65	450	.278	.352	.401	.753	2747	-116.1	.335	92	-224.5
10	Second Baseman	1	2008	5,938	19,400	2,780	5,366	1,115	131	407	2,220	1,686	203	3,204	412	140	21,626	7,964	1,653	181	156	90	432	.277	.338	.411	.749	2629	25.6	.330	97	-71.1
11	Second Baseman	1	2017	6,371	20,439	2,837	5,361	1,041	116	567	2,389	1,798	239	4,242	406	162	22,697	8,335	1,724	83	138	107	453	.262	.327	.408	.735	2678	-88.4	.316	93	-192.7