TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: What was the currency of Austria before the Euro?

SOLUTION: austria

PROBLEM: In which opera does a hunchback jester help his master, the Duke of Mantua, to seduce the daughter of a courtier?

SOLUTION: duke of mantua

PROBLEM: 1936 saw Ty Cobb, Babe Ruth, Honus Wagner, Christy Mathewson and Walter Johnson the first inductees into what?

SOLUTION:
babe ruth