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

[EX Q]: Who painted The Card Players, at Feb 2012 the most expensive artwork in the world?
[EX A]: the card players

[EX Q]: What name was given to the 1950-60s mainstream country music style of artists including Patsy Cline, Tammy Wynette, Jim Reeves, and Charlie Rich?
[EX A]: charlie rich

[EX Q]: Who wrote the plays `Death Of A Salesman` and `The Crucible`?
[EX A]:
the crucible