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

[EX Q]: Devil's Tower National Monument in Wyoming, USA features prominently in which landmark 1977 science fiction film?
[EX A]: devils tower

[EX Q]: Which play and film was adapted from a story by Christopher Isherwood and later adapted as the musical and film Cabaret?
[EX A]: cabaret

[EX Q]: Who painted ' Supper at Emmaus ' and ' The Anatomy Lesson ' ?
[EX A]:
the anatomy lesson of dr. nicolaes tulp