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

[EX Q]: 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?
[EX A]: screenwriter

[EX Q]: Eden Park staged some of the 2011 Rugby World Cup matches, in which city can it be found?
[EX A]: eden park

[EX Q]: Which recording artist, originally a folk singer had top ten hits in the early 1970's with Amazing Grace and Send in the Clowns?
[EX A]:
send in the clowns