Conversation so far:
who has the most wins in college football history 2018
Michigan has the most all-time wins in college football history.
Which coach has the most wins in college football?
With a career record of 489–138–11, John Gagliardi has the most wins of any coach in college football history.

Question: which school did the coach work at
Self-contained rewrite: Which schools did John Gagliardi coach at?