Question: Who has won most national championships college football?
Disambiguated questions and answers: question: Who claims to have won most national championships in college football?
Who has won the most national championships in college football based on College Football Data Warehouse?
Who has won the most national championships in college football during the Poll Era?
Who has won the most BCS national championships in college football?
Who has won the most CFP national championships in college football?
answer: Princeton
Princeton
Alabama
Alabama
Alabama and Clemson
Alabama
Clemson
Natural Questions answer: Princeton (from the Wikipedia article "College football national championships in NCAA Division I FBS")