what are the most assists in a game by a 28 year old point guard

John Stockton has the most assists by a 28-year-old point guard in a game, with 28 assists against the Spurs on January 15, 1991.

Interpreted as:

What are the most assists in a regular-season game by a 28 year old point guard?

	NAME	AST	AGE	DATE	TM		OPP	MIN	PTS	REB	STL	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF	+/-
1	John Stockton J. Stockton	28	28-295	1/15/1991	UTA	vs	SAS	39	20	3	8	0	8	12	66.7	0	2	0.0	4	5	80.0	70.4	1	2	5	4
2	Kevin Johnson K. Johnson	25	28-033	4/6/1994	PHX	vs	SAS	41	16	3	0	0	5	12	41.7	0	0		6	6	100.0	54.6	1	2	4	2
3	Kevin Porter K. Porter	25	28-349	4/1/1979	DET	@	PHX	46	13	3	2	0	6	20	30.0				1	2	50.0	31.1	1	2	4	3
4	Kevin Porter K. Porter	25	28-326	3/9/1979	DET	vs	BOS	37	30	3	0	0	12	18	66.7				6	8	75.0	69.7	1	2	4	1
5	John Stockton J. Stockton	23	28-257	12/8/1990	UTA	@	LAC	41	27	3	4	0	9	16	56.3	2	3	66.7	7	8	87.5	69.2	1	2	1	4
6	John Stockton J. Stockton	23	28-017	4/12/1990	UTA	vs	LAL	44	15	4	3	0	6	12	50.0	0	1	0.0	3	5	60.0	52.8	0	4	3	5
7	Magic Johnson M. Johnson	23	28-250	4/20/1988	LAL	@	DAL	42	8	10	0	1	1	7	14.3	0	0		6	8	75.0	38.0	2	8	8	2
8	Kevin Porter K. Porter	23	28-347	3/30/1979	DET	@	LAL	43	15	3	1	0	6	22	27.3				3	4	75.0	31.6	1	2	3	5
9	Kevin Porter K. Porter	23	28-254	12/27/1978	DET	vs	HOU	41	20	3	1	0	9	14	64.3				2	4	50.0	63.5				3
10	Russell Westbrook R. Westbrook	22	28-035	12/17/2016	OKC	vs	PHX	34	26	11	2	1	9	17	52.9	1	2	50.0	7	7	100.0	64.7	0	11	5	3	+16
11	Tim Hardaway T. Hardaway	22	28-106	12/16/1994	GSW	vs	ORL	45	15	1	5	0	5	18	27.8	2	10	20.0	3	4	75.0	38.0	0	1	4	3
12	Kevin Porter K. Porter	22	28-316	2/27/1979	DET	@	CHI	44	32	5	4	0	13	22	59.1				6	8	75.0	62.7	4	1	4	3
13	Kevin Porter K. Porter	22	28-250	12/23/1978	DET	vs	SAS	45	10	1	2	0	3	7	42.9				4	5	80.0	54.3				5
14	John Stockton J. Stockton	21	28-260	12/11/1990	UTA	vs	GSW	36	15	4	1	0	6	14	42.9	0	1	0.0	3	4	75.0	47.6	1	3	6	3
15	Kevin Porter K. Porter	21	28-295	2/6/1979	DET	@	HOU	43	19	0	0	0	9	17	52.9				1	2	50.0	53.1	0	0		4
16	John Stockton J. Stockton	20	28-350	3/11/1991	UTA	@	SAS	41	12	1	6	0	4	14	28.6	2	6	33.3	2	4	50.0	38.1	0	1	5	4
17	John Stockton J. Stockton	20	28-015	4/10/1990	UTA	vs	SEA	41	13	6	0	1	3	7	42.9	0	0		7	10	70.0	57.0	0	6	5	1
18	Kevin Porter K. Porter	20	28-334	3/17/1979	DET	vs	IND	45	16	3		0	6	14	42.9				4	4	100.0	50.8				4
19	Kevin Porter K. Porter	20	28-212	11/15/1978	DET	vs	LAL	39	12	1	1	2	3	8	37.5				6	6	100.0	56.4	0	1	2	4
20	Russell Westbrook R. Westbrook	19	28-122	3/14/2017	OKC	@	BKN	35	25	12	2	1	6	18	33.3	2	7	28.6	11	13	84.6	52.7	1	11	5	3	+7
21	Rajon Rondo R. Rondo	19	28-283	12/2/2014	BOS	@	ATL	34	2	12	1	1	1	8	12.5	0	3	0.0	0	0		12.5	2	10	7	0	+4
22	Baron Davis B. Davis	19	28-273	1/11/2008	GSW	vs	MEM	40	20	6	2	2	8	17	47.1	3	7	42.9	1	2	50.0	55.9	0	6	1	4	+7
23	Stephon Marbury S. Marbury	19	28-049	4/10/2005	NYK	@	IND	47	17	2	2	1	7	19	36.8	1	3	33.3	2	5	40.0	40.1	1	1	2	3	0
24	Jason Kidd J. Kidd	19	28-253	12/1/2001	NJN	vs	BOS	48	20	9	2	1	6	21	28.6	3	12	25.0	5	5	100.0	43.1	2	7	6	3	-7
25	Tim Hardaway T. Hardaway	19	28-170	2/18/1995	GSW	vs	SEA	45	21	4	2	0	7	24	29.2	3	13	23.1	4	7	57.1	38.8	1	3	3	6