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 singer/songwriter, who began releasing hit singles in 1958, has had 3 albums (The Definitive Collection, Waking Up Is Hard to Do & The Music of My Life) on Billboard's Top 200 Albums chart between 2007 & 2010?

SOLUTION: the definitive collection

PROBLEM: Which cartoon character had friends called Velma Dinidey and Daphne Blake?

SOLUTION: daphne

PROBLEM: Which British band released their debut album 'Definitely Maybe' in 1994?

SOLUTION:
definitely maybe