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.

Ex Input:
Context : Delta Air Lines Flight 9570 crashed on 30 May 1972 at the Greater Southwest International Airport in Fort Worth, Texas, while conducting a training flight. 
Subject : Delta Air Lines Flight 9570 
Relation : point in time

Ex Output:
The date of Delta Air Lines Flight 9570?


Ex Input:
Context : William Ross Knudsen (1892-1977) was an American socialist political activist and trade union organizer. 
Subject : William Ross Knudsen 
Relation : residence

Ex Output:
What city is William Ross Knudsen from?


Ex Input:
Context : HD 43848 is a 9th magnitude K-type subgiant star located approximately 123 light-years away in the constellation of Columba. 
Subject : HD 43848 
Relation : constellation

Ex Output:

What is the name of the constellation which HD 43848 belongs?