Question: Who's won the most national championships in college football?
Disambiguated questions and answers: question: What team has the most Coalition Bowl championship wins in college football?
What team has won the most at the College Football Playoff National Championship?
What team has the most wins at the Bowl Alliance championship in college football?
What team has the most BCS Nation Championship game wins in college football?
What team claims to have won the most national championships in college football?
What team has won the most AP Poll Era national championships in college football
answer: Florida St.
Florida State
Alabama Crimson Tide and Clemson Tigers
Nebraska
Alabama
Princeton
Alabama
Natural Questions answer: Princeton (from the Wikipedia article "College football national championships in NCAA Division I FBS")