How many players are 25 years old in the east and are centers?

	NAME	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	FTM	FTA	FT%	TS%	OREB	DREB	MIN	PTS	REB	AST	STL	BLK	PF
1	Phil Jackson P. Jackson	71	10.9	4.7	3.4	0.4			1.7	3.7	44.9	1.3	1.9	71.4	51.5			771	331	238	31			169
2	Gary Suiter G. Suiter	29	4.8	1.4	1.4	0.1			0.7	1.9	34.5	0.1	0.3	44.4	35.6			139	42	40	2			20
3	Walt Wesley W. Wesley	54	27.5	16.3	7.5	1.1			6.4	13.7	46.6	3.5	5.3	66.2	50.8			1,483	880	407	58			193
4	Garfield Smith G. Smith	25		2.6	2.6				1.0	3.1	32.5	0.6	1.5	40.5	34.8				65	65				31
5	Bob Christian B. Christian	56		3.1					1.2			0.8	1.1	72.1					176
6	Luther Rackley L. Rackley	71		3.6	2.9	0.3			1.5	3.4	43.1	0.7	1.2	57.5	46.2				256	208	21			107
7	Wes Unseld W. Unseld	67		13.1					5.4			2.2	3.6	62.8					880
8	Rick Roberson R. Roberson	62	34.1	12.6	11.2	2.2			5.0	11.3	43.9	2.7	4.7	57.6	47.2			2,114	781	693	134			249
9	George Johnson G. Johnson	19		2.3	2.4				1.1	2.1	51.3	0.2	0.2	75.0	52.7				43	45				31
10	Cornell Warner C. Warner	5	9.8	1.6	3.4	0.8	0.0	0.4	0.4	2.6	15.4	0.8	0.8	100.0	27.1	1.0	2.4	49	8	17	4	0	2	7
11	Steve Patterson S. Patterson	76	25.1	7.8	8.1	2.2	0.6		3.4	7.9	43.4	0.9	1.5	61.6	45.4	2.9	5.2	1,910	593	619	165	47		195
12	Paul Ruffner P. Ruffner	20		1.5		0.0			0.6			0.4	0.7	61.5					30		0
13	Dave Cowens D. Cowens	75		18.9	15.7	4.4			8.0	18.3	43.7	2.9	3.5	82.8	47.6				1,415	1,181	332			274
14	Jim Chones J. Chones	71		16.0	9.6	1.8			6.8	14.4	47.4	2.4	3.6	67.1	50.3				1,139	684	130			237
15	Tom Riker T. Riker	3	12.3	2.7	3.0	0.3			0.7	2.3	28.6	1.3	2.3	57.1	39.7			37	8	9	1			4
16	John Gianelli J. Gianelli	82	28.4	9.3	6.7	1.4			4.0	8.4	47.3	1.4	1.9	73.1	50.6			2,332	764	552	115			194
17	Steve Hawes S. Hawes	6		1.7	3.0		0.0	0.0	0.8	2.2	38.5	0.0	0.0		38.5				10	18		0	0	6
18	Luke Witte L. Witte	22		1.4	1.7	0.2			0.5	1.5	34.4	0.4	0.7	60.0	40.2				31	38	4			14
19	Harvey Catchings H. Catchings	53	16.3	3.0	4.4	0.6			1.2	2.3	50.4	0.6	0.9	70.2	54.6			864	157	234	30			130
20	Earl Williams E. Williams	1	7.0	3.0	2.0	1.0	0.0	1.0	0.0	2.0	0.0	3.0	6.0	50.0	32.3	1.0	1.0	7	3	2	1	0	1	2
21	Bob McAdoo B. McAdoo	72		25.8					10.3			5.3	7.2	73.8					1,861
22	Kevin Kunnert K. Kunnert	83		9.9	8.2	1.7			4.3	8.9	48.6	1.3	1.7	74.8	51.4				823	683	142
23	Kim Hughes K. Hughes	56		2.2					1.0			0.2	0.5	33.3					123
24	Scott Lloyd S. Lloyd	51		3.5					1.3			0.8	1.1	74.1					179
25	Rich Kelley R. Kelley	80	32.8	14.9	12.3	3.3			5.2	10.2	50.5	4.6	5.7	79.5	58.4			2,625	1,193	983	266			315