Problem: The last time that anyone spoke to Adolf Hitler, he was in what city?
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A: berlin

Problem: Who stars in the TV NHS black-comedy Getting On and has appeared on QI 29 times?
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A: jo brand

Problem: 'Operation Anthropoid' was the codename given to the successful plot to assassinate which senior Nazi?
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A: reinhard heydrich

Problem: Alamut Castle, now in modern-day Iran, is remembered today as the home of what notorious group between 1090 and 1256 AD?
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A:
assassins