how many times did shaq have 20 rebounds in a game including the playoffs

Shaquille O'Neal played in 51 games in the regular-season and playoffs with 20+ rebounds.

Interpreted as:

How many times did shaq have 20 or more rebounds in a game including the playoffs?

	NAME	DATE	GP	REB	TM		OPP	MIN	PTS	AST	STL	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF	+/-
1	Shaquille O'Neal S. O'Neal	11/12/1992	1	21	ORL	vs	WAS	36	31	1	0	4	12	19	63.2	0	0		7	12	58.3	63.8	9	12	6	4
2	Shaquille O'Neal S. O'Neal	12/17/1992	1	20	ORL	vs	SAC	37	22	2	0	7	9	14	64.3	0	0		4	7	57.1	64.4	6	14	5	4
3	Shaquille O'Neal S. O'Neal	12/30/1992	1	23	ORL	vs	LAL	44	23	2	0	0	7	11	63.6	0	0		9	11	81.8	72.6	7	16	7	3
4	Shaquille O'Neal S. O'Neal	1/9/1993	1	20	ORL	vs	IND	44	30	0	0	8	11	20	55.0	0	0		8	13	61.5	58.3	5	15	2	3
5	Shaquille O'Neal S. O'Neal	1/16/1993	1	24	ORL	@	CHI	50	29	2	1	5	11	18	61.1	0	0		7	12	58.3	62.3	9	15	6	2
6	Shaquille O'Neal S. O'Neal	2/16/1993	1	21	ORL	@	DET	49	46	3	0	5	19	25	76.0	0	0		8	16	50.0	71.8	3	18	6	5
7	Shaquille O'Neal S. O'Neal	4/18/1993	1	21	ORL	vs	BOS	42	20	2	1	1	8	20	40.0	0	0		4	5	80.0	45.0	5	16	2	5
8	Shaquille O'Neal S. O'Neal	4/20/1993	1	25	ORL	vs	WAS	41	20	6	0	4	8	13	61.5	0	0		4	8	50.0	60.5	7	18	6	3
9	Shaquille O'Neal S. O'Neal	11/20/1993	1	28	ORL	@	NJN	36	24	3	1	15	12	19	63.2	0	0		0	1	0.0	61.7	10	18	3	4
10	Shaquille O'Neal S. O'Neal	2/15/1994	1	24	ORL	vs	BOS	43	36	4	2	4	14	27	51.9	0	0		8	20	40.0	50.3	14	10	4	2
11	Shaquille O'Neal S. O'Neal	2/18/1994	1	20	ORL	vs	SEA	41	38	3	1	5	16	19	84.2	0	0		6	7	85.7	86.1	9	11	2	1
12	Shaquille O'Neal S. O'Neal	3/11/1994	1	21	ORL	vs	PHI	46	28	2	0	3	12	19	63.2	0	0		4	11	36.4	58.7	5	16	2	3
13	Shaquille O'Neal S. O'Neal	3/16/1994	1	21	ORL	vs	DAL	41	34	2	0	5	11	24	45.8	0	0		12	12	100.0	58.1	10	11	0	4
14	Shaquille O'Neal S. O'Neal	4/24/1994	1	22	ORL	vs	NJN	41	32	2	0	2	12	21	57.1	0	0		8	14	57.1	58.9	5	17	1	2
15	Shaquille O'Neal S. O'Neal	11/9/1994	1	20	ORL	@	CHA	47	46	3	1	3	20	32	62.5	0	0		6	11	54.5	62.4	14	6	0	3
16	Shaquille O'Neal S. O'Neal	3/2/1995	1	20	ORL	@	HOU	42	19	6	2	2	9	17	52.9	0	0		1	3	33.3	51.9	5	15	4	5
17	Shaquille O'Neal S. O'Neal	5/3/1995	1	21	ORL	@	BOS	34	20	0	0	2	7	12	58.3	0	0		6	14	42.9	55.1	8	13	3	3
18	Shaquille O'Neal S. O'Neal	5/16/1995	1	22	ORL	vs	CHI	40	23	4	2	5	7	20	35.0	0	0		9	19	47.4	40.6	14	8	4	3
19	Shaquille O'Neal S. O'Neal	11/22/1996	1	21	LAL	vs	SAS	38	29	1	0	2	13	19	68.4	0	0		3	10	30.0	62.0	7	14	4	1	+10
20	Shaquille O'Neal S. O'Neal	11/26/1996	1	20	LAL	@	PHI	38	23	1	1	2	9	15	60.0	0	1	0.0	5	12	41.7	56.7	4	16	1	4	+19
21	Shaquille O'Neal S. O'Neal	3/18/1998	1	22	LAL	vs	PHX	41	33	0	0	0	13	28	46.4	0	0		7	11	63.6	50.2	8	14	3	3	-2
22	Shaquille O'Neal S. O'Neal	11/7/1999	1	20	LAL	vs	DAL	37	30	1	1	1	10	14	71.4	0	0		10	23	43.5	62.2	5	15	2	5	+17
23	Shaquille O'Neal S. O'Neal	12/1/1999	1	23	LAL	vs	GSW	36	28	1	1	4	12	21	57.1	0	0		4	8	50.0	57.1	7	16	1	4	+17
24	Shaquille O'Neal S. O'Neal	12/12/1999	1	24	LAL	vs	DET	40	22	1	0	4	10	18	55.6	0	0		2	5	40.0	54.5	7	17	3	5	+16
25	Shaquille O'Neal S. O'Neal	12/20/1999	1	20	LAL	@	BOS	46	34	2	0	2	13	20	65.0	0	0		8	17	47.1	61.9	4	16	8	3	+9
	Average		1.0	21.5				42.8	31.5	2.8	0.5	3.5	12.4	21.3	58.0	0.0	0.0	0.0	6.7	12.7	53.2	58.5	7.3	14.2	3.4	3.3	7.0
	Total		51	1,095				2,185	1,606	145	24	179	631	1,087	58.0	0	1	0.0	344	647	53.2	58.5	372	723	172	168	+231