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

Who wrote the novels About A Boy, How To Be Good and High Fidelity?
how to be good

What actress, born in Muscat, Oman, began acting on Australian television on Paradise Beach and Home and Away and is known for her roles in Wedding Crashers (2005), Hot Rod (2007), Definitely, Maybe (2008) and Confessions of a Shopaholic (2009)?
definitely, maybe

Which Australian city shares its name with the wife of William IV?

australia

