how many rebounds has shaq gotten offensive vs defensive per game

Shaquille O'Neal had 1 board when playing >0 games against the Pistons on April 3, 2011.

Interpreted as:

How many rebounds has shaq gotten offensive vs defensive per regular-season game?

	NAME	DATE	REB	GP	TM		OPP	MIN	PTS	AST	STL	BLK	FGM	FGA	FG%	3PM	3PA	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF	+/-
1	Shaquille O'Neal S. O'Neal	4/3/2011	1	1	BOS	vs	DET	5	6	0	0	0	3	3	100.0	0	0	0	0		100.0	0	1	1	0	-2
2	Shaquille O'Neal S. O'Neal	2/1/2011	4	1	BOS	@	SAC	16	3	0	0	1	1	3	33.3	0	0	1	2	50.0	38.7	0	4	3	3	-2
3	Shaquille O'Neal S. O'Neal	1/30/2011	6	1	BOS	@	LAL	13	0	0	0	2	0	2	0.0	0	0	0	0		0.0	2	4	2	5	-4
4	Shaquille O'Neal S. O'Neal	1/28/2011	4	1	BOS	@	PHX	15	5	1	1	2	2	4	50.0	0	0	1	2	50.0	51.2	0	4	0	3	0
5	Shaquille O'Neal S. O'Neal	1/21/2011	0	1	BOS	vs	UTA	6	2	1	1	0	1	1	100.0	0	0	0	0		100.0	0	0	0	1	+7
6	Shaquille O'Neal S. O'Neal	1/19/2011	12	1	BOS	vs	DET	25	12	0	3	2	5	9	55.6	0	0	2	5	40.0	53.6	5	7	0	2	-2
7	Shaquille O'Neal S. O'Neal	1/17/2011	2	1	BOS	vs	ORL	26	12	1	1	2	5	7	71.4	0	0	2	2	100.0	76.1	0	2	2	5	+4
8	Shaquille O'Neal S. O'Neal	1/14/2011	5	1	BOS	vs	CHA	35	23	2	0	5	10	12	83.3	0	0	3	3	100.0	86.3	2	3	3	4	+19
9	Shaquille O'Neal S. O'Neal	1/12/2011	1	1	BOS	vs	SAC	13	2	1	1	1	1	2	50.0	0	0	0	0		50.0	1	0	3	4	+11
10	Shaquille O'Neal S. O'Neal	1/10/2011	2	1	BOS	vs	HOU	21	10	2	0	0	3	3	100.0	0	0	4	4	100.0	105.0	0	2	0	1	-8
11	Shaquille O'Neal S. O'Neal	1/8/2011	4	1	BOS	@	CHI	20	5	1	0	2	2	4	50.0	0	0	1	2	50.0	51.2	0	4	0	4	+7
12	Shaquille O'Neal S. O'Neal	1/7/2011	6	1	BOS	vs	TOR	21	12	2	0	0	6	9	66.7	0	0	0	4	0.0	55.8	3	3	2	2	+7
13	Shaquille O'Neal S. O'Neal	1/5/2011	1	1	BOS	vs	SAS	21	4	0	0	1	2	3	66.7	0	0	0	3	0.0	46.3	0	1	1	3	+7
14	Shaquille O'Neal S. O'Neal	1/3/2011	2	1	BOS	vs	MIN	30	9	1	0	1	4	6	66.7	0	0	1	1	100.0	69.9	0	2	1	2	-1
15	Shaquille O'Neal S. O'Neal	1/2/2011	6	1	BOS	@	TOR	24	7	0	0	4	3	3	100.0	0	0	1	5	20.0	67.3	0	6	1	4	+13
16	Shaquille O'Neal S. O'Neal	12/31/2010	1	1	BOS	vs	NOH	15	10	0	0	1	4	5	80.0	0	0	2	3	66.7	79.1	0	1	3	4	-4
17	Shaquille O'Neal S. O'Neal	12/29/2010	1	1	BOS	@	DET	16	5	0	0	1	2	5	40.0	0	0	1	2	50.0	42.5	0	1	2	0	-6
18	Shaquille O'Neal S. O'Neal	12/28/2010	2	1	BOS	@	IND	16	9	0	0	2	2	2	100.0	0	0	5	6	83.3	97.0	0	2	4	6	-5
19	Shaquille O'Neal S. O'Neal	12/25/2010	1	1	BOS	@	ORL	13	2	0	1	1	1	3	33.3	0	0	0	0		33.3	0	1	2	6	-13
20	Shaquille O'Neal S. O'Neal	12/22/2010	9	1	BOS	vs	PHI	27	13	1	1	2	5	8	62.5	0	0	3	7	42.9	58.7	3	6	2	3	+8
21	Shaquille O'Neal S. O'Neal	12/19/2010	5	1	BOS	vs	IND	21	11	0	0	0	4	8	50.0	0	0	3	3	100.0	59.0	0	5	2	5	+12
22	Shaquille O'Neal S. O'Neal	12/8/2010	6	1	BOS	vs	DEN	21	9	0	0	3	3	4	75.0	0	0	3	6	50.0	67.8	2	4	2	3	+3
23	Shaquille O'Neal S. O'Neal	12/5/2010	4	1	BOS	@	NJN	12	3	0	0	0	1	2	50.0	0	0	1	1	100.0	61.5	1	3	0	0	+15
24	Shaquille O'Neal S. O'Neal	12/3/2010	5	1	BOS	vs	CHI	20	12	2	0	0	5	6	83.3	0	0	2	4	50.0	77.3	1	4	1	6	+9
25	Shaquille O'Neal S. O'Neal	12/1/2010	4	1	BOS	vs	POR	26	14	1	0	1	5	7	71.4	0	0	4	6	66.7	72.6	2	2	4	3	+1