Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

The 1987 film 'Roxanne' was adapted by actor Steve Martin from which Edmond Rostand play?
roxanne

Which 1976 Derek Jarman film was dialogued entirely in Latin?
derek jarman

Which stagework, the most performed of all Arthur Miller's plays, was inspired by the so-called McCarthy witchhunts in 1950's America?
arthur miller