Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

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?
the definitive collection

What is the capital city of Colombia?
colombia

Which son of a famous drummer played drums for The Who at Glastonbury this year  he has toured with them since 1996?

the who