Q: 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.
Context : Natasha, Pierre & The Great Comet of 1812 is a musical adaptation of Leo Tolstoy's War and Peace, described as an electropop opera, with music and libretto by Dave Malloy and directed by Rachel Chavkin.
Subject : Natasha, Pierre & The Great Comet of 1812
Relation : based on
A:
Which is the basis of Natasha, Pierre & The Great Comet of 1812?