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.

Q: Context : Torre Picasso (Picasso Tower) is a skyscraper in Madrid, Spain designed by Minoru Yamasaki.
Answer : Minoru Yamasaki

A: What architect designed Torre Picasso?
****
Q: Context : Karen Cho is an Asian-Canadian documentary filmmaker in Montreal, Quebec, Canada.
Answer : Montreal

A: What city is Karen Cho from?
****
Q: Context : John Kelvin Koelsch (December 22, 1923 -- October 16, 1951) was a United States Navy officer and a recipient of America's highest military decoration -- the Medal of Honor -- for his actions in the Korean War.
Answer : United States Navy

A:
In what military branch did John Kelvin Koelsch serve?
****