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

Which country on the West African coast lies between The Democratic Republic of the Congo and Namibia?
democratic republic of the congo

The most northerly part of mainland Australia is in which state?
australia

'Best of Both Worlds' by Miley Cyrus is the theme song to which US tv show?

the best of both worlds