James Gibson "Gib" Holgate (August 13, 1920 – November 7, 2011) was an American football player, coach, and college athletics administrator. He served as the head football coach at Hillsdale College in 1948, compiling a record of 6–2–1. Holgate was later an assistant football coach and an administrator in the athletic department at Yale University.

Based on the paragraph above can we conclude that "James Holgate coached football at only two schools. "?
It's impossible to say