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

Which popular Doctor Who villains, it was revealed in 2011, are to be given 'a rest' by scriptwriters?
doctor who

Who won the Women's Singles at the 2015 Australian Open Tennis Championships?
the championships, wimbledon

Charlotte Edwards led England's women to World Cup glory in which sport in March 2009?
charlotte edwards