how many nationals players have won an mvp

Bryce Harper won the MVP award for the Nationals in 2015.

Interpreted as:

How many nationals players have won an mvp in a regular season?

		NAME	MVP	SEASON	TM	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		Bryce Harper B. Harper	1	2015	WSH	153	521	118	172	38	1	42	99	124	5	131	6	4	654	338	81	0	4	15	15	.330	.460	.649	1.109	151	77.3	.461	197	73.9

Games

	NAME	DATE	MVP	SEASON	TM		OPP	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP
1	Bryce Harper B. Harper	10/4/2015	1	2015	WSH	@	NYM	4	0	1	1	0	0	0	0	0	0	0	0	4	2	1	0	0	0	0
2	Bryce Harper B. Harper	10/3/2015	1	2015	WSH	@	NYM	3	1	1	0	0	1	2	0	1	1	0	0	4	4	1	0	0	0	0
3	Bryce Harper B. Harper	10/1/2015	1	2015	WSH	@	ATL	4	0	1	0	0	0	1	0	0	2	0	0	4	1	0	0	0	0	0
4	Bryce Harper B. Harper	9/30/2015	1	2015	WSH	@	ATL	4	0	0	0	0	0	0	0	0	0	0	0	4	0	0	0	0	0	1
5	Bryce Harper B. Harper	9/29/2015	1	2015	WSH	@	ATL	3	0	0	0	0	0	0	1	0	1	0	0	4	0	0	0	0	0	1
6	Bryce Harper B. Harper	9/27/2015	1	2015	WSH	vs	PHI	4	0	0	0	0	0	0	0	0	0	0	0	4	0	0	0	0	0	1
7	Bryce Harper B. Harper	9/26/2015	1	2015	WSH	vs	PHI	5	1	3	2	0	0	1	1	0	2	0	0	6	5	2	0	0	0	0
8	Bryce Harper B. Harper	9/25/2015	1	2015	WSH	vs	PHI	4	0	0	0	0	0	0	0	0	3	0	0	4	0	0	0	0	0	0
9	Bryce Harper B. Harper	9/24/2015	1	2015	WSH	vs	BAL	3	0	0	0	0	0	0	2	0	0	0	0	5	0	0	0	0	1	1
10	Bryce Harper B. Harper	9/23/2015	1	2015	WSH	vs	BAL	2	0	0	0	0	0	0	2	0	1	0	0	4	0	0	0	0	0	0
11	Bryce Harper B. Harper	9/22/2015	1	2015	WSH	vs	BAL	1	0	0	0	0	0	0	3	0	0	0	0	4	0	0	0	0	0	0
12	Bryce Harper B. Harper	9/20/2015	1	2015	WSH	vs	MIA	4	3	3	1	0	0	0	1	0	0	0	0	5	4	1	0	0	0	0
13	Bryce Harper B. Harper	9/19/2015	1	2015	WSH	vs	MIA	3	1	1	0	0	1	3	0	0	0	0	0	4	4	1	0	1	0	1
14	Bryce Harper B. Harper	9/18/2015	1	2015	WSH	vs	MIA	3	2	1	0	0	0	0	2	0	1	0	0	5	1	0	0	0	0	0
15	Bryce Harper B. Harper	9/17/2015	1	2015	WSH	vs	MIA	4	1	2	0	0	0	0	0	0	0	0	0	4	2	0	0	0	0	0
16	Bryce Harper B. Harper	9/16/2015	1	2015	WSH	@	PHI	5	1	2	0	0	1	2	0	0	1	0	0	5	5	1	0	0	0	0
17	Bryce Harper B. Harper	9/15/2015	1	2015	WSH	@	PHI	3	2	3	0	0	2	4	1	0	0	0	0	4	9	2	0	0	0	0
18	Bryce Harper B. Harper	9/14/2015	1	2015	WSH	@	PHI	5	2	2	0	0	1	1	1	0	1	0	0	6	5	1	0	0	0	0
19	Bryce Harper B. Harper	9/13/2015	1	2015	WSH	@	MIA	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
20	Bryce Harper B. Harper	9/12/2015	1	2015	WSH	@	MIA	4	0	1	0	0	0	0	0	0	2	0	0	4	1	0	0	0	0	0
21	Bryce Harper B. Harper	9/11/2015	1	2015	WSH	@	MIA	3	0	0	0	0	0	0	1	0	3	0	0	4	0	0	0	0	0	0
22	Bryce Harper B. Harper	9/9/2015	1	2015	WSH	vs	NYM	4	3	3	1	0	2	2	0	0	0	0	0	4	10	3	0	0	0	0
23	Bryce Harper B. Harper	9/8/2015	1	2015	WSH	vs	NYM	4	0	0	0	0	0	0	1	0	1	0	0	5	0	0	0	0	0	0
24	Bryce Harper B. Harper	9/7/2015	1	2015	WSH	vs	NYM	4	0	0	0	0	0	0	1	0	3	0	0	5	0	0	0	0	1	0
25	Bryce Harper B. Harper	9/6/2015	1	2015	WSH	vs	ATL	4	1	2	0	0	1	1	1	0	0	0	0	5	5	1	0	0	0	0
	Total		1					521	118	172	38	1	42	99	124	5	131	6	4	654	338	81	0	4	15	15