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.

[EX Q]: Context : Torre Picasso (Picasso Tower) is a skyscraper in Madrid, Spain designed by Minoru Yamasaki. 
Answer : Minoru Yamasaki
[EX A]: What architect designed Torre Picasso?

[EX Q]: Context : Gabriel Betancourt divorced his wife Yolanda Pulecio in 1980 and was granted custody of his daughters. 
Answer : Yolanda Pulecio
[EX A]: What is Gabriel Betancourt's spouse's name?

[EX Q]: Context : The Treaty of Lausanne was a peace treaty signed in Lausanne, Switzerland, on 24 July 1923. 
Answer : 1923
[EX A]:
The date of Treaty of Lausanne was what?