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

[Q]: Which group had UK top ten hits in 1987 with 'Sweet Little Mystery' and 'Angel Eyes'?
[A]: angel eyes


[Q]: Which former 'Eastenders' actor and Labour activist was elected to be one of the West Midlands representatives in the European parliamentary elections of 1999?
[A]: eastenders


[Q]: Who supplied the voice for Darth Vader in the original Star Wars trilogy between 1977 and 1983?
[A]:
darth vader