Given an open-ended topic (movie name, a persons name, an event, sports, etc) generate a simple trivia-type question.

siege of paris
Which army besieged Paris from 18 September 1870 for 4 months?

dig 'em frog
Dig 'Em Frog is the mascot for what brand of cereal?

carl perkins
Which song title links a 1957 single release by Carl Perkins and a 1963 single by the Dave Clark Five?