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: Field Marshal Arthur Wellesley, shares his better known title with which Southern Hemisphere capital city?

Answer: arthur wellesley, 1st duke of wellington


Question: On January 26, 1879, who was granted a patent for r an electric lamp using a carbon filament or strip coiled and connected to platina contact wires?

Answer: incandescent light bulb


Question: What instrument does Will Champion play in the band Coldplay?

Answer:
coldplay