how many teams have had multiple players have a 50 point game in a season

Joe Fulks dropped 63 points in 1948-49.

Interpreted as:

How many teams have had multiple players have a 50 or more point game in a season?

	NAME	PTS	SEASON	TM	GP	MPG	PPG	RPG	APG	FGM	FGA	FG%	FTM	FTA	FT%	TS%	MIN	REB	AST	PF
1	Joe Fulks J. Fulks	63	1948-49	PHI	1		63.0		0.0	27.0	56.0	48.2	9.0	14.0	64.3	50.7			0	3
2	George Mikan G. Mikan	104	1948-49	MIN	2		52.0			19.5	34.0	57.4	13.0	16.0	81.3	63.4				7
3	George Mikan G. Mikan	51	1949-50	MIN	1		51.0			20.0	36.0	55.6	11.0	12.0	91.7	61.8				5
4	George Mikan G. Mikan	61	1951-52	MIN	1		61.0	36.0		22.0	45.0	48.9	17.0	21.0	81.0	56.2		36		4
5	Neil Johnston N. Johnston	50	1953-54	PHI	1		50.0	12.0	6.0	18.0	30.0	60.0	14.0	16.0	87.5	67.5		12	6	5
6	Bob Pettit B. Pettit	51	1957-58	STL	1		51.0			18.0	27.0	66.7	15.0	20.0	75.0	71.2				3
7	George Yardley G. Yardley	103	1957-58	DET	2		51.5	19.5		17.5	32.0	54.7	16.5	17.5	94.3	64.9		39		8
8	Elgin Baylor E. Baylor	55	1958-59	MIN	1		55.0	12.0		22.0	38.0	57.9	11.0	17.0	64.7	60.5		12		3
9	Bob Pettit B. Pettit	102	1958-59	STL	2	43.0	51.0	18.5		19.0	31.5	60.3	13.0	16.5	78.8	65.8	86	37		6
10	Dolph Schayes D. Schayes	50	1958-59	SYR	1	53.0	50.0	23.0		18.0	34.0	52.9	14.0	17.0	82.4	60.3	53	23		6
11	Jack Twyman J. Twyman	50	1958-59	CIN	1		50.0	18.0		22.0	47.0	46.8	6.0	8.0	75.0	49.5		18		4
12	Elgin Baylor E. Baylor	116	1959-60	MIN	2		58.0	19.0		23.5	41.5	56.6	11.0	15.5	71.0	60.0		38		8
13	Wilt Chamberlain W. Chamberlain	276	1959-60	PHI	5	47.4	55.2	28.8	2.0	23.6	42.6	55.4	8.0	13.4	59.7	56.9	237	144	10	12
14	Richie Guerin R. Guerin	57	1959-60	NYK	1	38.0	57.0	12.0	8.0	18.0	31.0	58.1	21.0	26.0	80.8	67.2	38	12	8	1
15	Jack Twyman J. Twyman	59	1959-60	CIN	1		59.0	14.0		21.0	39.0	53.8	17.0	20.0	85.0	61.7		14		3
16	Elgin Baylor E. Baylor	287	1960-61	LAL	5		57.4	22.0		21.2			15.0	18.8	79.8			110		22
17	Wilt Chamberlain W. Chamberlain	456	1960-61	PHI	8	48.6	57.0	29.5		23.3	38.3	60.8	10.5	17.4	60.4	62.1	389	236		11
18	Bob Pettit B. Pettit	57	1960-61	STL	1	48.0	57.0	28.0		25.0	42.0	59.5	7.0	9.0	77.8	62.0	48	28		3
19	Elgin Baylor E. Baylor	269	1961-62	LAL	5		53.8	21.4		19.4	40.4	48.0	15.0	19.4	77.3	55.0		107		16
20	Wilt Chamberlain W. Chamberlain	2,633	1961-62	PHI	45	48.9	58.5	26.6	2.2	23.3	43.8	53.3	11.8	18.6	63.7	56.3	2,200	1,198	97	76
21	Richie Guerin R. Guerin	101	1961-62	NYK	2		50.5	10.5	9.5	20.0	32.0	62.5	10.5	12.5	84.0	67.3		21	19	8
22	Cliff Hagan C. Hagan	55	1961-62	STL	1	48.0	55.0	14.0		19.0	39.0	48.7	17.0	17.0	100.0	59.2	48	14		4
23	Rudy LaRusso R. LaRusso	50	1961-62	LAL	1	43.0	50.0	19.0		19.0	32.0	59.4	12.0	18.0	66.7	62.6	43	19		4
24	Bob Pettit B. Pettit	51	1961-62	STL	1		51.0	30.0	5.0	22.0	43.0	51.2	7.0	10.0	70.0	53.8		30	5	3
25	Jerry West J. West	113	1961-62	LAL	2		56.5	5.5	6.5	19.5	33.0	59.1	17.5	20.0	87.5	67.6		11	13	8