TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Chris Difford and Glenn Tilbrook founded which band in 1974?

SOLUTION: chris difford

PROBLEM: Who directed the 1988 film 'Beetle Juice'?

SOLUTION: beetlejuice

PROBLEM: With which musical instrument is Courtney Pine most closely associated?

SOLUTION:
courtney pine