How many players under 25 years old?

Interpreted as:

	NAME	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	PA	TB	XBH	SH	AVG	OBP	SLG	OPS
1	Joe Birmingham J. Birmingham	220	755	61	190	20	6	3		46	7		27	822	231	29	15	.252	.301	.306	.607
2	Al Bridwell A. Bridwell	147	469	53	133	14	1	0		58	6		20	552	149	15	19	.284	.370	.318	.687
3	Ty Cobb T. Cobb	592	2,256	457	846	151	67	29		196	24		263	2,542	1,218	247	66	.375	.431	.540	.970
4	Larry Doyle L. Doyle	488	1,841	314	553	81	53	22		178	21		110	2,105	806	156	65	.300	.369	.438	.806
5	Eddie Grant E. Grant	24	93	11	19	1	1	0	3	4	0	6	6	98	22	2	1	.204	.237	.237	.474
6	Otto Knabe O. Knabe	188	687	78	154	30	8	0	38	67	11		30	815	200	38	52	.224	.303	.291	.594
7	Phil Lewis P. Lewis	120	414	22	91	5	6	1		14	0		9	444	111	12	16	.220	.245	.268	.513
8	Sherry Magee S. Magee	236	844	110	234	53	24	3	99	78	18		63	977	344	80	37	.277	.351	.408	.759
9	George McQuillan G. McQuillan	93	205	8	28	2	0	0		11	2		1	231	30	2	13	.137	.188	.146	.334
10	Mike Mowrey M. Mowrey	87	255	22	57	11	1	0		22	2		6	289	70	12	10	.224	.290	.275	.565
11	Rube Oldring R. Oldring	125	461	39	99	14	3	1		17	10		13	509	122	18	21	.215	.258	.265	.523
12	Fred Osborn F. Osborn	152	556	62	148	19	12	2	51	33	1		16	605	197	33	15	.266	.308	.354	.663
13	Nap Rucker N. Rucker	79	215	6	33	1	1	0		3	0		1	226	36	2	8	.153	.165	.167	.333
14	Syd Smith S. Smith	55	154	10	28	8	0	1	12	5	1		1	162	39	9	4	.182	.213	.253	.466
15	Jim Stephens J. Stephens	47	150	14	30	4	1	0		9	2		0	164	36	5	3	.200	.255	.240	.495
16	Bill Sweeney B. Sweeney	419	1,412	132	354	56	10	6		148	2		66	1,607	448	72	45	.251	.323	.317	.640
17	Ed Willett E. Willett	30	67	4	11	1	0	0	7	1	1		0	71	12	1	2	.164	.188	.179	.368
18	Heinie Zimmerman H. Zimmerman	356	1,164	155	344	51	26	12		48	6		38	1,243	483	89	25	.296	.327	.415	.742
19	Bobby Byrne B. Byrne	278	1,029	118	216	26	9	1		103	14		45	1,180	263	36	35	.210	.291	.256	.546
20	Ed Konetchy E. Konetchy	416	1,521	198	414	62	36	11		166	21		53	1,753	581	109	45	.272	.352	.382	.734
21	Johnny Lush J. Lush	135	271	25	57	6	3	0		24	1		5	301	69	9	5	.210	.277	.255	.532
22	Danny Moeller D. Moeller	37	109	14	21	3	1	0		8	0		4	117	26	4	0	.193	.248	.239	.486
23	Red Murray R. Murray	154	594	64	167	19	15	7		37	8		48	642	237	41	3	.281	.332	.399	.731
24	Chief Wilson C. Wilson	105	378	30	85	5	6	3		17	1		9	412	111	14	16	.225	.260	.294	.554
25	Al Burch A. Burch	122	451	45	110	8	3	2		35	0		15	496	130	13	10	.244	.298	.288	.587