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

[Q]: Who was the father of Edward the Elder, the Anglo-Saxon King from 899 to 924?
[A]: edward the elder

[Q]: Who was the CBS News anchor-man known as 'the man Americans most trust'?
[A]: news presenter

[Q]: Which Scottish singer had hits with Maggie Mae, Tonight's The Night and Do You Think I'm Sexy, and has then turned to singing older standards?
[A]:
tonight's the night