Problem: ... a mineral, varieties of which include emerald and aquamarine?
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A: beryl

Problem: In which sport did Scunthorpe Scorpions win a premiership title in 2012?
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A: speedway

Problem: Whose first solo hit was Suedehead which reached No.5 in 1988?
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A: morrissey

Problem: October 20, 1944, saw General Douglas MacArthur fulfill his famous "I shall return" promise when he landed where?
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A:
philippines