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 British composer wrote the music used as the theme for Desert Island Discs  He also wrote the Dambusters march and the Knightsbridge march.?

Answer: the dam busters


Question: What was the name of the British India Special Force, the brainchild of British Brigadier Orde Charles Wingate, that operated behind Japanese lines in Burma & India in 1943/1944 during World War II?

Answer: orde wingate


Question: Which Knight of the Realm and former disc jockey from Leeds was once a wrestler?

Answer:
disc jockey