You are given a concept, and a list of answers. You should generate a question about the concept that leads to the given answer(s).

concept: Chicago  answers:  ['Lansing Municipal Airport', "O'Hare International Airport", 'Chicago Midway International Airport', 'Chicago Executive Airport', 'Schaumburg Regional Airport', 'Aurora Municipal Airport', 'Lewis University Airport', 'Gary/Chicago International Airport', 'Waukegan Regional Airport']
what are the airports in chicago?

concept: United States Air Force Academy  answers:  ['Colorado']
in what state was the air force academy established?

concept: James Madison  answers:  ['President of the United States']

what is james madison most famous for?