Question: How many students are at the college where Clinton L. Hare was a coach in 1891?
Sentence (from "1890 Purdue football team"): Clinton L. Hare, a Yale alumnus who had been the coach of the Butler football teams that handed Purdue its sole losses in 1887 and 1889, was hired as Purdue's football coach in 1890.
Relevant evidence: No