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.

Q: Context : Christine Daaé was born in a town near Uppsala, Sweden. 
Subject : Christine Daaé 
Relation : based on

A: Which is the basis of Christine Daaé?
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Q: Context : She made her Covent Garden, London debut as Donna Elvira in Mozart's Don Giovanni in 1913, under the professional name of Elsa Stralia (after Australia, like Florence Austral). 
Subject : Elsa Stralia 
Relation : date of death

A: What date did Elsa Stralia die on?
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Q: Context : The 189th (2nd York and Durham) Brigade was a formation of the British Army during the First World War. 
Subject : 189th (2nd York and Durham) Brigade 
Relation : military branch

A:
Who did 189th (2nd York and Durham) Brigade serve for?
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