Question: The 2001 Colorado Buffaloes football team played in the playoff game that was first played during what stretch of years?
Sentence (from "2012 Colorado Buffaloes football team"): Led by second-year head coach and alumnus Jon Embree, the Buffaloes played their home games on-campus at Folsom Field in Boulder and were members of the Pac-12 Conference.
Relevant evidence: No