Conversation so far:
What did Lou Holtz do at Notre Dame?
In 1986, Holtz left Minnesota to take over the then-struggling Notre Dame Fighting Irish football program.
Was he able to turn their program around?
In his second season, Holtz led the Fighting Irish to an appearance in the Cotton Bowl Classic.
How long did he stay in their program?
CANNOTANSWER.
Did he offer any wins while he was there?
Between 1988 and 1993, Holtz's teams posted an overall 64-9-1.

Question: Why did he eventually leave the program?
Self-contained rewrite: Why did Holtz eventually leave Notre Dame's football program?