TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Which American screenwriter, producer, director, actor, author and editor, most productive in the 1950's, made Plan 9 From Outer Space, Glen or Glenda and Bride Of The Monster?

SOLUTION: screenwriter

PROBLEM: Cilantro is the leaf of which herb?

SOLUTION: cilantro

PROBLEM: Who wrote Candide?

SOLUTION:
candide