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

[Q]: Context : Mary, Crown Princess of Denmark, Countess of Monpezat, R.E. (née Mary Elizabeth Donaldson; born 5 February 1972 in Hobart, Tasmania, Australia) is the wife of Frederik, Crown Prince of Denmark. 
Question : What is Mary, Crown Princess of Denmark's spouse's name?
[A]: Frederik, Crown Prince of Denmark


[Q]: Context : Rear Admiral Charles Stillman Sperry (3 September 1847 -- 1 February 1911) was an officer in the United States Navy. 
Question : Which military did Charles Stillman Sperry serve with?
[A]: United States Navy


[Q]: Context : Joanna Staniucha-Szczurek (born 5 December 1981) is a retired Polish female volleyball player. 
Question : What is the gender Joanna Staniucha-Szczurek is known by?
[A]:
female