who got the most blocks in game 1 of the sixers and celtics

Robert Williams III had 9 blocks in Game 1 of the 2021 First Round against the Nets on May 22, 2021.

Interpreted as:

Who got the most blocks in last game 1 of the sixers and celtics?

	NAME	BLK	DATE	TM		OPP	MIN	PTS	REB	AST	STL	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF	+/-
1	Robert Williams III R. Williams III	9	5/22/2021	BOS	@	BKN	23	11	9	1	1	5	8	62.5	0	0		1	2	50.0	61.9	5	4	0	2	+5
2	Darryl Dawkins D. Dawkins	8	4/21/1982	PHI	vs	ATL	38	27	9	2		12	17	70.6	0	0		3	3	100.0	73.7				3
3	Mike Gminski M. Gminski	7	4/26/1990	PHI	vs	CLE	37	8	5	1	0	3	9	33.3	0	0		2	3	66.7	38.8	1	4	2	3
4	Robert Parish R. Parish	7	5/9/1982	BOS	vs	PHI	29	24	14	2		10	16	62.5	0	0		4	6	66.7	64.4				2
5	Charles Barkley C. Barkley	6	4/24/1987	PHI	@	MIL	36	21	13	2	1	8	15	53.3	1	3	33.3	4	4	100.0	62.6	4	9	6	4
6	Julius Erving J. Erving	6	4/5/1981	PHI	vs	MIL	42	38	9	1	2	14	21	66.7	0	0		10	16	62.5	67.8			4	3
7	Joel Embiid J. Embiid	5	4/13/2019	PHI	vs	BKN	24	22	15	4	0	5	15	33.3	0	5	0.0	12	18	66.7	48.0	4	11	3	1	-17
8	Dikembe Mutombo D. Mutombo	5	6/6/2001	PHI	@	LAL	44	13	16	0	0	4	7	57.1	0	0		5	7	71.4	64.5	5	11	0	5	+14
9	Dikembe Mutombo D. Mutombo	5	4/21/2001	PHI	vs	IND	40	12	22	0	0	3	6	50.0	0	0		6	8	75.0	63.0	5	17	1	2	+3
10	Kevin McHale K. McHale	5	4/29/1988	BOS	vs	NYK	45	29	10	3	1	13	20	65.0	0	0		3	3	100.0	68.0	5	5	1	3
11	Kevin McHale K. McHale	5	5/13/1986	BOS	vs	MIL	28	17	5	1	1	8	11	72.7	0	0		1	1	100.0	74.3	0	5	2	4
12	Julius Erving J. Erving	5	5/22/1983	PHI	vs	LAL	39	20	10	9	1	8	18	44.4	0	0		4	6	66.7	48.4	4	6	1	2
13	Kevin McHale K. McHale	5	4/5/1981	BOS	vs	CHI	27	21	4	0		8	15	53.3	0	0		5	7	71.4	58.1				5
14	Caldwell Jones C. Jones	5	5/4/1980	PHI	@	LAL	42	15	9	4	0	5	9	55.6	0	0		5	7	71.4	62.1	3	6	5	2
15	Julius Erving J. Erving	5	4/16/1978	PHI	vs	NYK	30	16	15	4	1	6	18	33.3				4	5	80.0	39.6			3	2
16	Robert Williams III R. Williams III	4	6/2/2022	BOS	@	GSW	24	8	6	0	1	4	4	100.0	0	0		0	0		100.0	2	4	2	1	-1
17	Elton Brand E. Brand	4	4/28/2012	PHI	@	CHI	35	19	7	0	1	8	15	53.3	0	0		3	3	100.0	58.2	1	6	0	3	-13
18	Jermaine O'Neal J. O'Neal	4	4/17/2011	BOS	vs	NYK	23	12	4	0	0	6	6	100.0	0	0		0	0		100.0	3	1	2	5	-11
19	Samuel Dalembert S. Dalembert	4	4/20/2008	PHI	@	DET	33	5	10	0	1	2	10	20.0	0	0		1	1	100.0	23.9	4	6	2	5	-6
20	Tony Battie T. Battie	4	5/19/2002	BOS	@	NJN	32	6	11	1	2	2	6	33.3	0	0		2	2	100.0	43.6	4	7	1	4	+1
21	Dikembe Mutombo D. Mutombo	4	5/22/2001	PHI	vs	MIL	44	15	18	1	1	5	11	45.5	0	0		5	7	71.4	53.3	7	11	2	1	+6
22	Theo Ratliff T. Ratliff	4	5/6/2000	PHI	@	IND	32	9	8	1	1	4	12	33.3	0	0		1	4	25.0	32.7	4	4	0	3	-15
23	Theo Ratliff T. Ratliff	4	4/22/2000	PHI	@	CHA	38	9	8	1	1	4	10	40.0	0	0		1	3	33.3	39.8	3	5	2	6	+4
24	Robert Parish R. Parish	4	5/5/1987	BOS	vs	MIL	35	22	12	3	1	10	15	66.7	0	0		2	2	100.0	69.3	3	9	2	1
25	Robert Parish R. Parish	4	5/12/1985	BOS	vs	PHI	42	26	13	1	1	11	23	47.8	0	0		4	4	100.0	52.5	7	6	8	4