Task: Question Generation
Input (English): 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. 
Subject : Mary, Crown Princess of Denmark 
Relation : spouse
Output (English): What is Mary, Crown Princess of Denmark's spouse's name?