which school won the most heisman trophies since 1964

Since 1964, Archie Griffin has won the most Heisman Trophies, with 2.

Interpreted as:

Which school won the most heisman trophies by a player since 1964?

	NAME	HEISMAN	GP	YDS	YDS/G	TD	RUSH YDS	RUSH YDS/G	RUSH TD	REC YDS	REC YDS/G	REC TD	KR YDS	KR YDS/G	KR TD	PR YDS	PR YDS/G	PR TD
1	Archie Griffin A. Griffin	2	42	5,463		26	5,177	123.3	25	286	6.8	1
2	Travis Hunter T. Hunter	1	22	2,039	92.7	21	5	0.2	1	1,979	90.0	20	0	0.0	0	0	0.0	0
3	Fernando Mendoza F. Mendoza	1	36	482	13.4	12	467	13.0	11	15	0.4	1	0	0.0	0	0	0.0	0
4	Caleb Williams C. Williams	1	37	959	25.9	27	945	25.5	27	13	0.4	0	0	0.0	0	0	0.0	0
5	Bryce Young B. Young	1	36	162	4.5	7	162	4.5	7	0	0.0	0	0	0.0	0	0	0.0	0
6	Jayden Daniels J. Daniels	1	55	3,312	60.2	35	3,307	60.1	34	5	0.1	1	0	0.0	0	0	0.0	0
7	DeVonta Smith D. Smith	1	89	4,256	47.8	48	6	0.1	1	3,961	44.5	46	52	0.6	0	237	2.7	1
8	Joe Burrow J. Burrow	1	38	836	22.0	13	820	21.6	13	16	0.4	0	0	0.0	0	0	0.0	0
9	Lamar Jackson L. Jackson	1	38	4,132		50	4,132	108.7	50
10	Kyler Murray K. Murray	1	29	1,478	51.0	13	1,478	51.0	13	0	0.0	0	0	0.0	0	0	0.0	0
11	Derrick Henry D. Henry	1	38	3,876	102.0	45	3,591	94.5	42	285	7.5	3	0	0.0	0	0	0.0	0
12	Baker Mayfield B. Mayfield	1	48	1,085	22.6	22	1,083	22.6	21	2	0.0	1	0	0.0	0	0	0.0	0
13	Jameis Winston J. Winston	1	27	282		7	284	10.5	7
14	Johnny Manziel J. Manziel	1	26	2,169		30	2,169	83.4	30
15	Marcus Mariota M. Mariota	1	41	2,265	55.2	31	2,237	54.6	29	28	0.7	2	0	0.0	0	0	0.0	0
16	Robert Griffin III R. Griffin III	1	41	2,278		33	2,254	55.0	33	24	0.6	0
17	Mark Ingram M. Ingram	1	39	3,976		46	3,261	83.6	42	670	17.2	4	45	1.2	0
18	Sam Bradford S. Bradford	1	31	36		5	36	1.2	5
19	Cam Newton C. Newton	1	20	1,628		25	1,586	79.3	24	42	2.1	1
20	Tim Tebow T. Tebow	1	55	2,947		57	2,947	53.6	57
21	Reggie Bush R. Bush	1	39	6,551		42	3,169	81.3	25	1,301	33.4	13	1,522	39.0	1	559	14.3	3
22	Troy Smith T. Smith	1	39	1,251		14	1,168	29.9	14				83	2.1	0
23	Matt Leinart M. Leinart	1	41	-44		10	-70	-1.7	9	26	0.6	1
24	Jason White J. White	1	52	-45	-0.9	2	-45	-0.9	2	0	0.0	0	0	0.0	0	0	0.0	0
25	Eric Crouch E. Crouch	1	43	3,543		72	3,434	79.9	59	109	2.5	2