how many times did kevin garnett have 20 rebounds in a game

Kevin Garnett played 36 games with 20+ rebounds.

Interpreted as:

How many times in the regular season did Kevin Garnett have 20 or more rebounds in a game?

	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	Kevin Garnett K. Garnett	11/13/1997	1	20	MIN	vs	WAS	47	20	3	1	1	9	19	47.4	1	1	100.0	1	1	100.0	51.4	7	13	4	4	+7
2	Kevin Garnett K. Garnett	11/17/1999	1	20	MIN	vs	LAC	44	23	3	1	4	10	23	43.5	0	1	0.0	3	4	75.0	46.4	9	11	3	2	-3
3	Kevin Garnett K. Garnett	12/15/1999	1	20	MIN	@	CHA	46	17	6	1	1	6	13	46.2	1	1	100.0	4	4	100.0	57.6	6	14	2	1	-7
4	Kevin Garnett K. Garnett	12/17/1999	1	21	MIN	vs	LAL	47	28	5	1	2	13	22	59.1	0	1	0.0	2	3	66.7	60.0	7	14	3	2	-8
5	Kevin Garnett K. Garnett	12/27/1999	1	23	MIN	@	ORL	45	26	7	0	4	10	21	47.6	1	1	100.0	5	8	62.5	53.0	9	14	2	2	+12
6	Kevin Garnett K. Garnett	12/16/2000	1	20	MIN	vs	IND	46	34	5	1	1	12	25	48.0	0	0		10	12	83.3	56.1	4	16	4	4	+3
7	Kevin Garnett K. Garnett	12/14/2001	1	24	MIN	vs	SAC	38	29	8	1	2	8	19	42.1	0	1	0.0	13	14	92.9	57.6	8	16	2	2	+20
8	Kevin Garnett K. Garnett	12/19/2001	1	21	MIN	@	NJN	48	29	7	0	5	10	20	50.0	1	2	50.0	8	8	100.0	61.6	4	17	7	4	-1
9	Kevin Garnett K. Garnett	3/31/2002	1	22	MIN	vs	NJN	43	23	6	1	0	9	17	52.9	0	0		5	6	83.3	58.6	6	16	1	3	+3
10	Kevin Garnett K. Garnett	11/7/2002	1	24	MIN	vs	MIL	38	28	6	1	1	9	17	52.9	0	1	0.0	10	11	90.9	64.1	5	19	1	1	+9
11	Kevin Garnett K. Garnett	11/19/2002	1	22	MIN	vs	MEM	47	34	6	1	1	11	20	55.0	0	1	0.0	12	15	80.0	63.9	4	18	1	4	+14
12	Kevin Garnett K. Garnett	1/18/2003	1	20	MIN	@	POR	41	31	4	2	1	11	16	68.8	0	0		9	10	90.0	76.0	2	18	3	3	+19
13	Kevin Garnett K. Garnett	2/16/2003	1	22	MIN	vs	GSW	41	37	6	1	5	17	27	63.0	0	2	0.0	3	3	100.0	65.3	9	13	2	2	+6
14	Kevin Garnett K. Garnett	3/5/2003	1	24	MIN	@	SAC	50	27	4	0	0	11	29	37.9	0	1	0.0	5	6	83.3	42.7	4	20	5	3	+1
15	Kevin Garnett K. Garnett	10/29/2003	1	21	MIN	vs	MIL	41	25	6	1	3	11	23	47.8	0	0		3	6	50.0	48.8	5	16	1	2	+6
16	Kevin Garnett K. Garnett	11/29/2003	1	20	MIN	@	DAL	40	28	4	0	2	11	20	55.0	1	1	100.0	5	6	83.3	61.8	9	11	6	4	-3
17	Kevin Garnett K. Garnett	12/5/2003	1	25	MIN	@	SAC	50	33	6	1	3	13	29	44.8	3	3	100.0	4	7	57.1	51.4	2	23	1	5	+8
18	Kevin Garnett K. Garnett	1/3/2004	1	22	MIN	@	DAL	46	27	7	1	0	11	28	39.3	0	1	0.0	5	6	83.3	44.1	9	13	2	3	-2
19	Kevin Garnett K. Garnett	1/28/2004	1	20	MIN	@	GSW	41	20	10	1	3	8	17	47.1	0	2	0.0	4	6	66.7	50.9	2	18	3	3	-7
20	Kevin Garnett K. Garnett	2/19/2004	1	24	MIN	vs	SAC	34	22	4	0	1	8	19	42.1	0	0		6	7	85.7	49.8	2	22	5	2	+14
21	Kevin Garnett K. Garnett	3/19/2004	1	20	MIN	@	PHX	41	17	6	0	5	8	17	47.1	0	1	0.0	1	4	25.0	45.3	4	16	5	1	+7
22	Kevin Garnett K. Garnett	4/4/2004	1	22	MIN	vs	MEM	39	14	5	1	4	5	20	25.0	0	0		4	5	80.0	31.5	7	15	4	3	+5
23	Kevin Garnett K. Garnett	11/3/2004	1	20	MIN	vs	NYK	39	28	7	0	3	13	20	65.0	0	0		2	3	66.7	65.7	1	19	2	3	+8
24	Kevin Garnett K. Garnett	11/16/2004	1	21	MIN	vs	MIA	35	25	8	2	1	8	17	47.1	0	0		9	9	100.0	59.6	6	15	2	1	+19
25	Kevin Garnett K. Garnett	12/11/2004	1	21	MIN	@	CHI	39	16	5	1	1	6	17	35.3	0	2	0.0	4	4	100.0	42.6	5	16	4	4	-7
	Average		1.0	21.4				41.8	23.9	5.4	1.1	2.0	9.2	19.4	47.4	0.3	0.8	31.0	5.2	6.3	81.6	53.7	4.9	16.6	2.8	2.9	4.4
	Total		36	772				1,504	859	195	39	71	332	700	47.4	9	29	31.0	186	228	81.6	53.7	176	596	102	104	+159