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

[EX 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?
[EX A]: eastenders

[EX Q]: What is the name of the main thoroughfare in Barcelona, which runs from the Placa de Catalunya to the sea?
[EX A]: barcelona

[EX Q]: Which English King was born at Caenarvon Castle in 1284?
[EX A]:
caernarfon castle