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: In which city were the 1912 Olympic games held Oslo, Antwerp or Stockholm?

Answer: 1912 summer olympics


Question: What famous novel invented the terms thoughtcrime and doubleplusgood?

Answer: newspeak


Question: What is the SI unit of Electrical Charge?

Answer:
electric charge