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 : KLM Cityhopper is the regional subsidiary of KLM Royal Dutch Airlines (part of the Air France-KLM group). 
Subject : KLM Cityhopper 
Relation : parent company
answer:
Which company is the parent company of KLM Cityhopper?


question:
Context : ``Bart the Genius'' is the second episode of The Simpsons' first season, which originally aired on the Fox network on January 14, 1990. 
Subject : Bart the Genius 
Relation : series
answer:
What series is Bart the Genius part of?


question:
Context : John David Duty (April 25, 1952 -- December 16, 2010) was an American who was executed in Oklahoma for first-degree murder. 
Subject : John David Duty 
Relation : convicted of
answer:

For what crime was John David Duty prosecuted?