instruction:
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.
question:
Context : JTBC constructs a new building in Digital Media City in Sangam-dong, Seoul. 
Subject : JTBC 
Relation : parent company
answer:
Which company is the parent company of JTBC?


question:
Context : Fritz X was a nickname used both by Allied and Luftwaffe personnel. 
Subject : Fritz X 
Relation : service entry
answer:
What year did Fritz X come into use?


question:
Context : Sarah Spencer (born in Ocala, Florida) is an American singer, songwriter and pianist. 
Subject : Sarah Spencer 
Relation : occupation
answer:

What was Sarah Spencer's occupation?