How many players did the celtics in 2019 season have in their career?

	NAME	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Aron Baynes A. Baynes	2018-19	BOS	51	16.1	5.6	4.7	1.1	0.2	0.7	2.1	4.4	47.1	0.4	1.2	34.4	1.0	1.2	85.5	56.7	1.7	3.0	0.8	821	284	240	57	12	34	40	125	+130
2	Gordon Hayward G. Hayward	2018-19	BOS	72	25.9	11.5	4.5	3.4	0.9	0.3	4.1	8.8	46.6	1.1	3.2	33.3	2.2	2.6	83.4	57.5	0.7	3.8	1.5	1,863	825	322	244	62	23	105	104	+213
3	Al Horford A. Horford	2018-19	BOS	68	29.0	13.6	6.7	4.2	0.9	1.3	5.7	10.6	53.5	1.1	3.0	36.0	1.1	1.4	82.1	60.5	1.8	5.0	1.5	1,973	925	458	283	59	86	102	126	+258
4	Kyrie Irving K. Irving	2018-19	BOS	67	33.0	23.8	5.0	6.9	1.5	0.5	9.0	18.5	48.7	2.6	6.5	40.1	3.2	3.7	87.3	59.2	1.1	3.9	2.6	2,214	1,596	335	464	103	34	172	167	+332
5	Greg Monroe G. Monroe	2018-19	BOS	2	2.5	3.0	1.5	0.5	0.0	0.0	1.5	2.5	60.0	0.0	0.0		0.0	0.0		60.0	1.5	0.0	0.0	5	6	3	1	0	0	0	0	+5
6	Marcus Morris Sr. M. Morris Sr.	2018-19	BOS	75	27.9	13.9	6.1	1.5	0.6	0.3	5.0	11.3	44.7	1.9	5.2	37.5	1.9	2.3	84.4	56.8	1.0	5.1	1.2	2,090	1,046	458	109	43	25	92	181	+74
7	Marcus Smart M. Smart	2018-19	BOS	80	27.5	8.9	2.9	4.0	1.8	0.4	3.0	7.1	42.2	1.6	4.3	36.4	1.3	1.6	80.6	56.8	0.7	2.2	1.5	2,200	708	234	321	143	28	123	201	+163
8	Terry Rozier T. Rozier	2018-19	BOS	79	22.7	9.0	3.9	2.9	0.9	0.3	3.3	8.4	38.7	1.5	4.3	35.3	0.9	1.2	78.5	50.1	0.4	3.5	0.9	1,791	708	307	231	68	21	68	101	-39
9	RJ Hunter	2018-19	BOS	1	26.0	17.0	3.0	3.0	1.0	0.0	6.0	13.0	46.2	4.0	10.0	40.0	1.0	2.0	50.0	61.2	1.0	2.0	0.0	26	17	3	3	1	0	0	3	+28
10	Jaylen Brown J. Brown	2018-19	BOS	74	25.9	13.0	4.2	1.4	0.9	0.4	5.0	10.7	46.5	1.3	3.7	34.4	1.8	2.7	65.8	54.7	0.9	3.4	1.3	1,913	964	313	100	69	32	99	186	+66
11	Guerschon Yabusele G. Yabusele	2018-19	BOS	41	6.1	2.3	1.3	0.4	0.2	0.2	0.9	1.9	45.5	0.2	0.7	32.1	0.4	0.5	68.2	54.2	0.6	0.7	0.4	251	94	53	15	8	7	15	32	-18
12	Jayson Tatum J. Tatum	2018-19	BOS	79	31.1	15.7	6.0	2.1	1.1	0.7	5.9	13.1	45.0	1.5	3.9	37.3	2.5	2.9	85.5	54.7	0.9	5.2	1.5	2,455	1,243	477	168	84	57	122	168	+360
13	Semi Ojeleye S. Ojeleye	2018-19	BOS	56	10.6	3.3	1.5	0.4	0.2	0.1	1.2	2.8	42.4	0.5	1.6	31.5	0.4	0.7	61.5	53.1	0.4	1.1	0.3	594	186	86	23	10	4	19	43	+70
14	Daniel Theis D. Theis	2018-19	BOS	66	13.8	5.7	3.4	1.0	0.3	0.6	2.2	4.0	54.9	0.4	1.0	38.8	0.8	1.2	73.7	62.4	1.3	2.1	0.5	908	374	225	68	21	42	33	161	+131
15	PJ Dozier	2018-19	BOS	6	8.5	3.2	2.8	0.8	0.3	0.0	1.3	3.5	38.1	0.3	1.3	25.0	0.2	0.3	50.0	43.4	1.0	1.8	0.0	51	19	17	5	2	0	0	2	+25
16	Robert Williams III R. Williams III	2018-19	BOS	31	9.1	2.6	2.6	0.2	0.3	1.3	1.2	1.6	70.6	0.0	0.0		0.3	0.5	60.0	70.3	0.9	1.7	0.3	283	81	81	7	9	40	10	36	-50
17	Brad Wanamaker B. Wanamaker	2018-19	BOS	36	9.5	3.9	1.1	1.6	0.3	0.1	1.4	2.9	47.6	0.4	1.1	41.0	0.7	0.8	85.7	59.7	0.1	1.1	0.5	343	140	41	56	12	2	19	34	+72