How many times did an nl east team appear in the world series by series?

	TEAM	DIVISION	DATE	G	SEASON	SERIES	TM		OPP	RESULT	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Mets	NL East	10/11/1969	1	1969	World Series	NYM	@	BAL	L 1-4	31	1	6	1	0	0	1	4	0	8	0	0	36	7	1	0	1	0	1	.194	.278	.226	.504
2	Mets	NL East	10/12/1969	1	1969	World Series	NYM	@	BAL	W 2-1	33	2	6	1	0	1	2	3	0	7	0	0	36	10	2	0	0	1	0	.182	.250	.303	.553
3	Mets	NL East	10/14/1969	1	1969	World Series	NYM	vs	BAL	W 5-0	29	5	6	2	0	2	5	5	0	6	0	0	35	14	4	1	0	0	0	.207	.324	.483	.806
4	Mets	NL East	10/15/1969	1	1969	World Series	NYM	vs	BAL	W 2-1	34	2	10	1	0	1	1	1	0	7	0	1	36	14	2	1	0	1	2	.294	.314	.412	.726
5	Mets	NL East	10/16/1969	1	1969	World Series	NYM	vs	BAL	W 5-3	32	5	7	3	0	2	4	2	1	7	1	0	35	16	5	0	0	0	0	.219	.286	.500	.786
6	Pirates	NL East	10/9/1971	1	1971	World Series	PIT	@	BAL	L 3-5	32	3	3	1	0	0	2	2	0	9	0	0	35	4	1	1	0	0	0	.094	.147	.125	.272
7	Pirates	NL East	10/11/1971	1	1971	World Series	PIT	@	BAL	L 3-11	36	3	8	1	0	1	3	8	0	10	0	0	44	12	2	0	0	0	0	.222	.364	.333	.697
8	Pirates	NL East	10/12/1971	1	1971	World Series	PIT	vs	BAL	W 5-1	32	5	7	3	0	1	5	6	0	5	0	0	38	13	4	0	0	1	0	.219	.342	.406	.748
9	Pirates	NL East	10/13/1971	1	1971	World Series	PIT	vs	BAL	W 4-3	37	4	14	2	0	0	4	4	0	6	2	0	41	16	2	0	0	1	1	.378	.439	.432	.871
10	Pirates	NL East	10/14/1971	1	1971	World Series	PIT	vs	BAL	W 4-0	31	4	9	0	1	1	3	3	1	4	2	0	37	14	2	2	0	0	0	.290	.371	.452	.823
11	Pirates	NL East	10/16/1971	1	1971	World Series	PIT	@	BAL	L 2-3	37	2	9	1	1	1	2	3	0	6	1	0	41	15	3	1	0	1	0	.243	.300	.405	.705
12	Pirates	NL East	10/17/1971	1	1971	World Series	PIT	@	BAL	W 2-1	33	2	6	1	0	1	2	0	0	7	0	0	33	10	2	0	0	0	0	.182	.182	.303	.485
13	Mets	NL East	10/13/1973	1	1973	World Series	NYM	@	OAK	L 1-2	32	1	7	1	1	0	1	4	0	5	0	0	37	10	2	1	0	0	1	.219	.306	.313	.618
14	Mets	NL East	10/14/1973	1	1973	World Series	NYM	@	OAK	W 10-7	54	10	15	1	0	2	5	4	2	10	0	0	61	22	3	1	0	1	0	.278	.350	.407	.757
15	Mets	NL East	10/16/1973	1	1973	World Series	NYM	vs	OAK	L 2-3	43	2	10	2	0	1	1	5	0	5	0	0	49	15	3	1	0	2	0	.233	.313	.349	.661
16	Mets	NL East	10/17/1973	1	1973	World Series	NYM	vs	OAK	W 6-1	33	6	13	0	0	1	5	6	1	2	0	0	40	16	1	0	0	1	4	.394	.500	.485	.985
17	Mets	NL East	10/18/1973	1	1973	World Series	NYM	vs	OAK	W 2-0	31	2	7	1	1	0	2	4	0	6	0	0	36	10	2	1	0	2	0	.226	.314	.323	.637
18	Mets	NL East	10/20/1973	1	1973	World Series	NYM	@	OAK	L 1-3	33	1	6	0	0	0	1	1	0	2	0	0	34	6	0	0	0	0	0	.182	.206	.182	.388
19	Mets	NL East	10/21/1973	1	1973	World Series	NYM	@	OAK	L 2-5	35	2	8	2	0	0	1	2	0	6	0	0	37	10	2	0	0	0	1	.229	.270	.286	.556
20	Pirates	NL East	10/10/1979	1	1979	World Series	PIT	@	BAL	L 4-5	40	4	11	2	0	1	4	1	0	7	0	1	41	16	3	0	0	0	0	.275	.293	.400	.693
21	Pirates	NL East	10/11/1979	1	1979	World Series	PIT	@	BAL	W 3-2	33	3	11	0	0	0	3	3	0	4	0	2	37	11	0	0	1	1	1	.333	.378	.333	.712
22	Pirates	NL East	10/12/1979	1	1979	World Series	PIT	vs	BAL	L 4-8	34	4	9	4	0	0	4	0	0	6	0	0	35	13	4	0	1	0	0	.265	.257	.382	.639
23	Pirates	NL East	10/13/1979	1	1979	World Series	PIT	vs	BAL	L 6-9	39	6	17	5	0	1	6	4	0	5	0	1	43	25	6	0	0	2	2	.436	.488	.641	1.129
24	Pirates	NL East	10/14/1979	1	1979	World Series	PIT	vs	BAL	W 7-1	34	7	13	2	1	0	7	3	0	6	0	0	40	17	3	2	1	2	0	.382	.421	.500	.921
25	Pirates	NL East	10/16/1979	1	1979	World Series	PIT	@	BAL	W 4-0	35	4	10	2	0	0	4	3	1	5	0	0	41	12	2	0	2	0	0	.286	.341	.343	.684
	Total			140		23					4,741	550	1,157	202	17	130	519	469	31	971	81	38	5,327	1,783	349	53	33	57	91	.244	.314	.376	.690