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 female gymnast won Gold Medals in the Balance Beam and Floor Exercise events in the 1972 Summer Olympics?

SOLUTION: 1972 summer olympics

PROBLEM: Who has taken over the TV role of Doctor Who, from actor David Tennant?

SOLUTION: doctor who

PROBLEM: According to the bible, Zaccariah was the father of which New Testament figure?

SOLUTION:
bible