You will be given a context, a subject and a relation. Your task is to generate a question based on the subject and relation. The generated question should include the given subject. Try to use a minimum number of words that are not present in either context, subject or relation while generating question.

Example Input: Context : Nicholas and Alexandra is a 1971 biographical film which partly tells the story of the last ruling Russian monarch, Tsar Nicholas II of Russia, and his wife, Tsarina Alexandra. 
Subject : Nicholas and Alexandra 
Relation : production company
Example Output: What production company was involved in Nicholas and Alexandra?

Example Input: Context : Decameron Nights is a 1953 anthology Technicolor film based on three tales from The Decameron by Giovanni Boccaccio, specifically the ninth and tenth tales of the second day and the ninth tale of the third. 
Subject : Decameron Nights 
Relation : based on
Example Output: Which is the basis of Decameron Nights?

Example Input: Context : The 1971 January 22 Surgut Aeroflot Antonov An-12 crash occurred on 22 January 1971, when an Aeroflot Antonov An-12B, registered CCCP-11000, flying from Omsk Tsentralny Airport, in the Soviet Union‍ '​s Russian Soviet Federated Socialist Republic (RSFSR), crashed 15 km (9.3 mi) short of the runway on approach to Surgut International Airport, Surgut, RSFSR. 
Subject : 1971 January 22 Surgut Aeroflot Antonov An-12 crash 
Relation : point in time
Example Output:
On what date did 1971 January 22 Surgut Aeroflot Antonov An-12 crash take place?