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

caractacus pott
'Caractacus Potts' is a character from which book and film?

avengers
In the movie The Avengers, which superhero uses a bow and arrow?

charles darnay

Lucie Manette married Charles Darnay in which Dickens novel?