Problem: What number is topaz on the Mohs scale of hardness?
Answer: eight

Problem: What is the term for playing a piece of music in a key other that in which it is written?
Answer: transposition

Problem: What was the capital of Yugoslavia from 1918-2006?
Answer: belgrade

Problem: "Which TV comedy series featured agents 86 and 99 and ""Chief""?"
Answer:
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