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

[EX Q]: Context : Linda Greenlaw (born December 22, 1960) is a best-selling author of books with maritime themes and the only female swordfishing boat captain on the East Coast of the United States. 
Question : What gender was Linda Greenlaw?
[EX A]: female

[EX Q]: Context : Caspar Wolf (Muri, Aargau, 3 May 1735 -- Heidelberg, 6 October 1783) was a Swiss painter, known mostly for his dramatic paintings of Alps. 
Question : What was Caspar Wolf's career?
[EX A]: painter

[EX Q]: Context : Hans-Joachim Merks (2 February 1917 -- 21 June 1961) was a Kapitänleutnant with the Kriegsmarine during World War II and a recipient of the Knight's Cross of the Iron Cross (German: Ritterkreuz des Eisernen Kreuzes). 
Question : What war was Hans-Joachim Merks in?
[EX A]:
World War II