Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
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Question: Which football team play home games at Bloomfield Road?

Answer: bloomfield road


Question: Which English Leicester-born boxer fought Marvin Hagler in 1983 for the WBC and WBA World Middleweight titles and lost by a technical knockout in the sixth round?

Answer: boxing


Question: What is the name of the main thoroughfare in Barcelona, which runs from the Placa de Catalunya to the sea?

Answer:
barcelona