TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Thereze Bazar and David van Day were better known as which duo?

SOLUTION: david van day

PROBLEM: Who painted The Card Players, at Feb 2012 the most expensive artwork in the world?

SOLUTION: the card players

PROBLEM: Who wrote The Da Vinci Code?

SOLUTION:
the da vinci code