how many games with centers with more than 15 assists

Steven Adams has 21 assists this season.

Interpreted as:

How many games with centers with more than 15 assists this season?

	NAME	AST	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	STL	BLK	TOV	PF	+/-
1	Steven Adams S. Adams	21	14	21.9	6.0	9.2	1.5	0.6	0.6	2.2	4.4	50.8	0.0	0.0		1.6	2.1	73.3	56.6	5.0	4.2	1.1	307	84	129	9	9	15	29	+108
2	Rudy Gobert R. Gobert	32	18	32.3	10.4	10.3	1.8	0.4	1.8	4.3	6.0	72.2	0.0	0.0		1.7	3.5	49.2	68.9	3.6	6.8	1.8	582	187	186	8	32	33	56	+120
3	Al Horford A. Horford	22	12	21.8	5.8	4.3	1.8	1.0	1.0	2.0	5.8	34.3	1.3	4.2	32.0	0.5	0.5	100.0	48.2	0.9	3.3	1.3	261	70	51	12	12	16	19	-53
4	Kelly Olynyk K. Olynyk	18	8	11.9	4.4	2.9	2.3	0.4	0.0	1.4	3.0	45.8	0.4	1.4	27.3	1.3	1.6	76.9	58.9	1.0	1.9	1.1	95	35	23	3	0	9	14	-14
5	Jonas Valančiūnas J. Valančiūnas	17	17	12.5	8.4	4.5	1.0	0.1	0.6	3.2	5.9	55.0	0.1	0.5	22.2	1.8	2.3	76.9	60.6	1.4	3.1	1.0	213	142	77	2	11	17	31	-10
6	Nikola Vučević N. Vučević	55	16	30.6	16.7	9.6	3.4	0.6	0.4	6.6	13.4	49.5	2.1	5.1	40.7	1.4	1.8	78.6	59.0	2.3	7.4	1.7	490	267	154	10	7	27	40	-60
7	Joel Embiid J. Embiid	20	6	23.3	19.7	5.5	3.3	0.8	1.5	6.7	14.5	46.0	1.5	4.7	32.1	4.8	5.8	82.9	57.6	1.5	4.0	2.7	140	118	33	5	9	16	13	+9
8	Jusuf Nurkić J. Nurkić	60	17	24.7	7.5	9.6	3.5	1.6	0.4	2.9	6.9	42.4	0.3	1.6	18.5	1.4	2.4	57.5	47.2	2.4	7.2	2.8	420	128	163	28	7	47	49	-65
9	Nikola Jokić N. Jokić	188	17	34.8	29.6	12.8	11.1	1.6	0.8	10.8	17.3	62.6	2.1	4.9	43.4	5.8	6.8	85.3	72.9	3.3	9.5	3.5	592	503	218	27	13	59	51	+197
10	Karl-Anthony Towns K. Towns	57	17	33.4	22.4	12.3	3.4	0.9	0.8	7.2	15.9	45.0	1.8	5.6	32.6	6.2	7.0	89.1	58.9	3.2	9.1	2.6	567	381	209	15	14	45	62	+113
11	Kristaps Porziņģis K. Porziņģis	39	12	26.3	18.7	5.9	3.3	0.4	1.6	6.2	12.8	48.1	1.7	4.9	33.9	4.7	5.4	86.2	61.3	1.6	4.3	0.9	316	224	71	5	19	11	40	+7
12	Myles Turner M. Turner	34	19	30.1	13.0	6.7	1.8	1.1	1.7	4.5	10.1	44.5	2.4	5.8	40.5	1.7	2.4	69.6	58.5	1.2	5.5	1.3	572	247	127	20	33	24	51	+7
13	Jakob Poeltl J. Poeltl	26	14	26.0	10.7	8.1	1.9	0.7	0.6	4.5	6.1	73.3	0.0	0.0		1.7	3.0	57.1	71.8	2.9	5.2	1.3	364	150	114	10	8	18	48	+39
14	Domantas Sabonis D. Sabonis	41	11	33.2	17.2	12.3	3.7	1.2	0.2	6.7	13.2	51.0	0.4	1.8	20.0	3.4	4.6	72.5	56.4	3.4	8.9	2.5	365	189	135	13	2	28	44	-159
15	Ivica Zubac I. Zubac	44	18	31.8	16.6	11.5	2.4	0.5	0.9	7.4	12.1	61.0	0.0	0.0		1.8	2.5	73.3	62.9	3.7	7.8	1.9	572	299	207	9	17	34	47	-32
16	Bam Adebayo B. Adebayo	35	13	30.2	19.2	8.4	2.7	0.8	0.8	6.6	14.7	45.0	1.8	5.2	33.8	4.2	5.1	81.8	56.6	1.2	7.2	1.8	392	249	109	11	10	23	19	+78
17	Jarrett Allen J. Allen	26	14	26.0	14.8	7.6	1.9	1.1	0.9	5.6	9.8	57.7	0.0	0.3	0.0	3.5	4.6	76.6	62.7	2.4	5.2	1.6	364	207	106	15	12	22	21	+96
18	Luke Kornet L. Kornet	21	10	24.1	8.0	6.1	2.1	0.1	1.2	3.3	4.7	70.2	0.0	0.0		1.4	2.0	70.0	71.7	2.7	3.4	0.7	241	80	61	1	12	7	20	+46
19	Isaiah Hartenstein I. Hartenstein	64	19	27.8	12.2	10.7	3.4	1.3	0.8	5.3	7.8	67.1	0.0	0.2	0.0	1.7	2.6	64.0	67.8	3.3	7.4	2.1	528	232	203	24	15	39	53	+170
20	Jaren Jackson Jr. J. Jackson Jr.	28	17	29.4	18.3	5.3	1.6	0.6	1.2	6.5	14.2	46.1	1.8	5.1	35.6	3.4	4.2	81.7	57.1	1.0	4.3	2.1	499	311	90	10	20	35	71	-103
21	Wendell Carter Jr. W. Carter Jr.	35	18	29.4	12.3	7.4	1.9	0.6	0.7	4.1	7.6	54.0	1.2	2.7	44.9	2.8	3.5	81.0	67.1	2.9	4.6	1.9	529	221	134	11	13	34	71	+73
22	Jaxson Hayes J. Hayes	17	14	17.7	5.5	4.1	1.2	0.4	0.4	2.3	3.1	72.7	0.1	0.1	100.0	0.9	1.2	70.6	74.8	1.2	2.9	0.6	248	77	57	6	6	8	23	+27
23	Goga Bitadze G. Bitadze	27	18	16.9	6.4	5.3	1.5	0.7	1.2	2.4	3.4	71.0	0.1	0.4	28.6	1.4	1.8	75.8	75.1	1.7	3.6	0.6	304	115	95	12	21	11	37	+57
24	Nic Claxton N. Claxton	70	17	29.6	14.1	7.5	4.1	0.7	1.4	5.2	9.4	56.0	0.0	0.4	0.0	3.6	5.2	69.7	60.6	2.9	4.6	1.4	504	240	128	12	23	24	44	-114
25	Daniel Gafford D. Gafford	19	13	24.0	9.8	6.7	1.5	0.9	1.6	3.7	6.0	61.5	0.0	0.0		2.4	3.0	79.5	66.7	2.4	4.3	1.3	312	127	87	12	21	17	40	-23