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

blinky
In which arcade game, would you find ghosts called Inky, Pinky, Blinky and Clyde?

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

brief encounter

Who wrote the play Still Life, on which the 1945 film Brief Encounter was based?