TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Cassandra, Grizabella and Skimbleshanks are all characters in which Andrew Lloyd Webber musical?

SOLUTION: andrew lloyd webber

PROBLEM: What famous novel invented the terms thoughtcrime and doubleplusgood?

SOLUTION: newspeak

PROBLEM: What science fiction author, author of the Dune series, among others, was born in Tacoma and attended the University of Washington?

SOLUTION:
tacoma