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

[Q]: In which US state would you find the cities of Chesapeake, Roanoke and Fredericksburg?
[A]: fredericksburg


[Q]: What is the name of the astromech droid companion of Anakin Skywalker, Luke Skywalker and Obi-Wan Kenobi in the Star Wars franchise?
[A]: droid


[Q]: In 2010, actress Ayda Field married which British entertainer?
[A]:
ayda field