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 : The queen dowager passed a window at the Stockholm Palace, followed by Ebba Brahe. 
Subject : Ebba Brahe 
Relation : sex or gender
Example Output: What is Ebba Brahe's sex?

Example Input: Context : Admiral Frank Jack Fletcher died on April 25, 1973, four days before his 88th birthday at the Bethesda Naval Hospital in Bethesda, Maryland. 
Subject : Frank Jack Fletcher 
Relation : military branch
Example Output: Which entity was Frank Jack Fletcher a part of?

Example Input: Context : 77 Aquarii (abbreviated 77 Aqr) is a star in the equatorial constellation of Aquarius. 
Subject : 77 Aquarii 
Relation : constellation
Example Output:
Which constellation is formed by 77 Aquarii?