How many switch hitters are there on the oakland as?

	NAME	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	Ted Kubiak T. Kubiak	416	949	101	216	28	5	5	82	74	3	100	5	3	1,049	269	38	15	8	4	25	.228	.283	.283	.567	72	-38	.263	68	-37.2
2	Allan Lewis A. Lewis	122	23	40	5	1	0	1	3	1	0	1	30	12	25	9	2	1	0	0	0	.217	.250	.391	.641	2	-0.3	.286	88	-0.3
3	Vida Blue V. Blue	88	174	12	17	2	0	1	5	12	2	109	0	2	204	22	3	16	0	0	1	.098	.165	.126	.291	-3	-24.2	.146	-11	-24.3
4	Bob Locker B. Locker	141	18	1	1	0	0	0	0	4	0	12	0	0	22	1	0	0	0	0	0	.056	.227	.056	.283	0	-2.3	.168	5	-2.3
5	Marty Martinez M. Martinez	22	40	3	5	0	0	0	1	3	0	6	0	0	44	5	0	1	0	0	2	.125	.186	.125	.311	0	-4.6	.155	-3	-4.5
6	Bill North B. North	669	2,447	379	664	74	23	13	155	342	18	388	232	102	2,859	823	110	43	9	16	34	.271	.364	.336	.700	332	21.4	.329	110	32.9
7	Matt Alexander M. Alexander	214	82	56	12	1	0	0	2	5	0	12	63	31	88	13	1	1	0	0	0	.146	.195	.159	.354	0	-9.8	.170	1	-9.5
8	Jim Perry J. Perry
9	Larry Lintz L. Lintz	109	31	32	4	1	0	0	0	10	1	13	44	16	44	5	1	2	0	1	0	.129	.357	.161	.518	3	-1.7	.271	70	-1.6
10	Dock Ellis D. Ellis
11	Larry Murray L. Murray	206	400	45	72	16	4	3	29	48	0	72	18	9	458	105	23	9	1	3	3	.180	.267	.263	.530	25	-28.3	.246	50	-27.7
12	Rodney Scott R. Scott	133	364	56	95	4	4	0	20	43	3	50	33	18	417	107	8	5	2	0	1	.261	.342	.294	.636	40	-8.5	.298	85	-7.4
13	Mark Budaska M. Budaska	13	36	3	6	2	0	0	2	5	0	12	0	1	41	8	2	0	0	0	0	.167	.268	.222	.491	2	-2.2	.240	52	-2.1
14	Miguel Dilone M. Dilone	165	349	49	76	9	2	2	20	29	1	37	56	28	391	95	13	12	0	0	4	.218	.280	.272	.552	25	-18.2	.259	60	-17.9
15	Tito Fuentes T. Fuentes	13	43	5	6	1	0	0	2	1	0	6	0	0	45	7	1	1	0	0	0	.140	.159	.163	.322	-1	-5.7	.150	-12	-5.7
16	Joe Wallis J. Wallis	108	357	34	77	18	1	7	29	36	1	60	2	4	402	118	26	6	2	2	3	.216	.288	.331	.618	33	-11.3	.283	77	-10.9
17	Dave McKay D. McKay	280	731	79	173	31	3	9	67	37	8	135	11	3	797	237	43	14	7	0	8	.237	.278	.324	.603	62	-26.1	.275	73	-25.4
18	Darrell Brown D. Brown	8	18	2	6	0	1	0	3	1	0	2	1	0	20	8	1	1	0	0	0	.333	.368	.444	.813	3	0.7	.362	128	0.7
19	Tony Phillips T. Phillips	941	2,994	430	748	131	29	48	308	413	16	584	67	45	3,491	1,081	208	43	25	8	52	.250	.341	.361	.702	401	-3.7	.320	99	-1.6
20	Bert Bradley B. Bradley
21	Donnie Hill D. Hill	357	1,064	123	290	42	4	11	108	55	0	104	16	8	1,156	373	57	29	8	3	22	.273	.306	.351	.657	110	-21.7	.294	85	-20.9
22	Rick Peters R. Peters	99	216	27	58	8	0	0	21	19	1	28	6	11	243	66	8	2	5	1	4	.269	.324	.306	.629	22	-6	.288	80	-5.8
23	Luis Quinones L. Quinones	19	42	5	8	2	1	0	4	1	0	4	1	1	45	12	3	1	1	0	0	.190	.205	.286	.490	1	-3.6	.215	32	-3.6
24	Mickey Tettleton M. Tettleton	283	709	78	157	26	1	22	81	108	3	196	10	4	844	251	49	17	7	0	15	.221	.324	.354	.678	91	-7.9	.310	94	-7
25	Dave Collins D. Collins	112	379	52	95	16	4	4	29	29	1	37	29	8	418	131	24	5	4	2	6	.251	.303	.346	.648	39	-8.9	.290	83	-8.7