Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
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Question: Context : Albin Wolf (28 October 1920 -- 2 April 1944) was a German World War II Luftwaffe flying ace and posthumous recipient of the coveted Knight's Cross of the Iron Cross with Oak Leaves (Ritterkreuz des Eisernen Kreuzes mit Eichenlaub). 
Answer : World War II

Answer: What war or battle did Albin Wolf fight in?


Question: Context : The Bearded Slave (Italian: Schiavo barbuto) is a marble sculpture by Michelangelo datable to around 1525--1530 and kept in the Galleria dell'Accademia in Florence. 
Answer : Galleria dell'Accademia

Answer: What is the name of the place where Bearded Slave can be found?


Question: Context : Matilda of Holstein or Mechthild (1220 or 1225 -- 1288 in Kiel) was a Danish queen consort, married to King Abel of Denmark and later to Birger Jarl, Regent of Sweden. 
Answer : Abel of Denmark

Answer:
What is Matilda of Holstein's spouse's name?