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

[Q]: The wine-producing region of Hunter Valley is in which Australian state?
[A]: australia


[Q]: In which film of 1995 did Robert De Niro and Al Pacino appear on screen together for the first time?
[A]: al pacino


[Q]: Whose 1977-79 albums, Low, Heroes and Lodger, are known as his Berlin Trilogy?
[A]:
berlin trilogy