Given an open-ended topic (movie name, a persons name, an event, sports, etc) generate a simple trivia-type question.
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Question: bock

Answer: Alt, Bock, Dunkel and Helles are German varieties of what?


Question: 2011 turner prize

Answer: Which Glasgow-based sculptor, whose works include artificial trees and a leaning litter bin, won the 2011 Turner Prize?


Question: siege of jerusalem

Answer:
Who led the Muslim forces who captured Jerusalem on this day in 1187, thus ending 88 years of crusader rule of the city?