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 : On that occasion, about a third of the commune of Ivry-sur-Seine was annexed to Paris, and now forms the Chinatown area of the 13th arrondissement of Paris.
Answer : 13th arrondissement of Paris

Answer: By what was Ivry-sur-Seine replaced?

Question: Context : Melanie Killen obtained her Ph.D. in Developmental Psychology from the University of California, Berkeley, where she was a NIMH Predoctoral trainee, and her B.A. in Psychology from Clark University, where she was awarded a New England Psychological Association undergraduate Honorary Fellow.
Answer : University of California, Berkeley

Answer: Where did Melanie Killen study or work?

Question: Context : Hans-Joachim Merks (2 February 1917 -- 21 June 1961) was a Kapitanleutnant with the Kriegsmarine during World War II and a recipient of the Knight's Cross of the Iron Cross (German: Ritterkreuz des Eisernen Kreuzes).
Answer : World War II

Answer:
What war was Hans-Joachim Merks in?