Generate a correct and concise answer for the question based on the words in the context.

Q: Context : Mamochisane (fl. 1850s) was a Makololo Queen who ruled over many people, but especially the Lozi in Barotseland, today's Western Zambia, and was a wife of King Sipopa Lutangu.
Question : What is Mamochisane's spouse's name?

A: Sipopa Lutangu
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Q: Context : Sigmund Selberg (11 August 1910 -- 20 April 1994) was a Norwegian mathematician.
Question : What was Sigmund Selberg's occupation?

A: mathematician
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Q: Context : Reinhard Graubner (2 August 1915 -- 3 November 1986) was a highly decorated Major in the Luftwaffe during World War II, and a recipient of the Knight's Cross of the Iron Cross.
Question : Which conflict was Reinhard Graubner a part of?

A:
World War II
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