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

What name was given to the 1950-60s mainstream country music style of artists including Patsy Cline, Tammy Wynette, Jim Reeves, and Charlie Rich?
charlie rich

'Mrs Dalloway' and To the Lighthouse' are among the works of which writer?
to the lighthouse

The 'Chatham Islands' belong to which country?

chatham islands