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

Who was in the films Zelig, Stardust Memories, and Broadway Danny Rose?
broadway danny rose

What was the name of Chuck Berry`s 1972 hit which gave him his first number one?
chuck berry

The territorial area of Canberra is completely surrounded by which Australian State?

canberra