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

[Q]: Context : Ronald Stacey King (born January 29, 1967) is an American former NBA center who won three consecutive championships with the Chicago Bulls from 1991 to 1993. 
Question : What team does Stacey King belong to?
[A]: Chicago Bulls


[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 : Jaroslav Šafránek (1890-1957) was a Czech physicist who, in the second half of the 1930s, designed a system for the transmission of visual images by low-line mechanical television, which made the production of an authentic spatial impression of the picture, transmitted on the screen, possible. 
Question : The date of death for Jaroslav Šafránek is what?
[A]:
1957