How many Eastern Conference Finals do the celtics have in the last 10 years?

	TEAM	DATE	SEASON	SERIES	TM		OPP	RESULT	MIN	PTS	REB	AST	STL	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF
1	Celtics	5/17/2017	2016-17	Conference Finals	BOS	vs	CLE	L 104-117	240	104	40	33	4	1	41	88	46.6	12	38	31.6	10	18	55.6	54.2	13	27	14	26
2	Celtics	5/19/2017	2016-17	Conference Finals	BOS	vs	CLE	L 86-130	240	86	39	23	7	4	32	86	37.2	8	27	29.6	14	15	93.3	46.4	10	29	20	19
3	Celtics	5/21/2017	2016-17	Conference Finals	BOS	@	CLE	W 111-108	240	111	38	28	10	3	42	91	46.2	18	40	45.0	9	12	75.0	57.6	11	27	9	23
4	Celtics	5/23/2017	2016-17	Conference Finals	BOS	@	CLE	L 99-112	240	99	29	26	7	2	35	79	44.3	10	31	32.3	19	20	95.0	56.4	7	22	12	15
5	Celtics	5/25/2017	2016-17	Conference Finals	BOS	vs	CLE	L 102-135	240	102	39	20	7	5	37	86	43.0	11	30	36.7	17	23	73.9	53.1	12	27	18	23
6	Celtics	5/13/2018	2017-18	Conference Finals	BOS	vs	CLE	W 108-83	240	108	48	27	6	4	43	84	51.2	11	30	36.7	11	13	84.6	60.2	6	42	9	17
7	Celtics	5/15/2018	2017-18	Conference Finals	BOS	vs	CLE	W 107-94	240	107	46	24	8	2	40	92	43.5	10	31	32.3	17	20	85.0	53.1	11	35	5	18
8	Celtics	5/19/2018	2017-18	Conference Finals	BOS	@	CLE	L 86-116	240	86	34	16	4	4	29	74	39.2	6	22	27.3	22	28	78.6	49.8	6	28	15	25
9	Celtics	5/21/2018	2017-18	Conference Finals	BOS	@	CLE	L 102-111	240	102	37	21	9	3	35	85	41.2	9	28	32.1	23	30	76.7	51.9	9	28	9	26
10	Celtics	5/23/2018	2017-18	Conference Finals	BOS	vs	CLE	W 96-83	240	96	45	18	10	6	31	85	36.5	13	39	33.3	21	23	91.3	50.5	7	38	8	19
11	Celtics	5/25/2018	2017-18	Conference Finals	BOS	@	CLE	L 99-109	240	99	31	25	5	2	38	74	51.4	12	28	42.9	11	20	55.0	59.8	5	26	13	18
12	Celtics	5/27/2018	2017-18	Conference Finals	BOS	vs	CLE	L 79-87	240	79	42	18	6	0	29	85	34.1	7	39	17.9	14	19	73.7	42.3	11	31	5	20
13	Celtics	9/15/2020	2019-20	Conference Finals	BOS	vs	MIA	L 114-117	265	114	37	24	9	6	39	88	44.3	15	42	35.7	21	23	91.3	58.1	6	31	10	25
14	Celtics	9/17/2020	2019-20	Conference Finals	BOS	vs	MIA	L 101-106	240	101	41	19	5	3	36	72	50.0	10	28	35.7	19	24	79.2	61.2	6	35	20	22
15	Celtics	9/19/2020	2019-20	Conference Finals	BOS	@	MIA	W 117-106	240	117	50	27	8	3	41	85	48.2	9	26	34.6	26	30	86.7	59.6	10	40	14	29
16	Celtics	9/23/2020	2019-20	Conference Finals	BOS	@	MIA	L 109-112	240	109	46	28	3	5	39	82	47.6	14	40	35.0	17	21	81.0	59.7	12	34	19	24
17	Celtics	9/25/2020	2019-20	Conference Finals	BOS	vs	MIA	W 121-108	240	121	50	29	7	4	42	93	45.2	12	38	31.6	25	29	86.2	57.2	13	37	11	23
18	Celtics	9/27/2020	2019-20	Conference Finals	BOS	@	MIA	L 113-125	240	113	42	26	7	2	43	99	43.4	15	46	32.6	12	15	80.0	53.5	13	29	10	21
19	Celtics	5/17/2022	2021-22	Conference Finals	BOS	@	MIA	L 107-118	240	107	38	22	8	8	36	79	45.6	11	34	32.4	24	32	75.0	57.5	8	30	16	23
20	Celtics	5/19/2022	2021-22	Conference Finals	BOS	@	MIA	W 127-102	240	127	41	28	8	5	43	84	51.2	20	40	50.0	21	23	91.3	67.5	8	33	9	21
21	Celtics	5/21/2022	2021-22	Conference Finals	BOS	vs	MIA	L 103-109	240	103	44	21	2	7	34	70	48.6	12	32	37.5	23	30	76.7	61.9	9	35	23	21
22	Celtics	5/23/2022	2021-22	Conference Finals	BOS	vs	MIA	W 102-82	240	102	60	21	4	11	31	78	39.7	8	34	23.5	32	38	84.2	53.8	14	46	9	15
23	Celtics	5/25/2022	2021-22	Conference Finals	BOS	@	MIA	W 93-80	240	93	46	24	5	7	33	71	46.5	10	33	30.3	17	23	73.9	57.3	6	40	15	19
24	Celtics	5/27/2022	2021-22	Conference Finals	BOS	vs	MIA	L 103-111	240	103	34	22	10	4	32	72	44.4	11	33	33.3	28	31	90.3	60.1	6	28	17	28
25	Celtics	5/29/2022	2021-22	Conference Finals	BOS	@	MIA	W 100-96	240	100	51	22	4	6	35	85	41.2	11	32	34.4	19	24	79.2	52.3	10	41	13	26
	Average								241.4	105.7	41.7	23.7	6.7	4.8	37.7	83.5	45.1	11.8	35.6	33.3	18.5	23.0	80.4	56.4	9.8	31.9	12.7	20.6
	Total								8,690	3,804	1,500	852	242	171	1,356	3,007	45.1	426	1,280	33.3	666	828	80.4	56.4	351	1,149	456	743