TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: According to the bible, Zaccariah was the father of which New Testament figure?

SOLUTION: bible

PROBLEM: What was the first Apollo mission to leave Earth orbit and orbit the moon, in 1968?

SOLUTION: apollo

PROBLEM: Who wrote the 1897 play 'Cyrano de Bergerac'?

SOLUTION:
cyrano de bergerac