Detailed Instructions: In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.
Problem:Romeo et Juliette ("Romeo and Juliet") is an opera in five acts by Charles Gounod to a French libretto by Jules Barbier and Michel Carre, based on "The Tragedy of Romeo and Juliet" by William Shakespeare. It was first performed at the Theatre Lyrique (Theatre-Lyrique Imperial du Chatelet), Paris on 27 April 1867. This opera is notable for the series of four duets for the main characters and the waltz song ""Je veux vivre"" for the soprano. Question: What opera that starred William Martin was based on a play written by William Shakespeare? Answer: Romeo et Juliette
Solution:
Romeo et Juliette Romeo and Juliet is an opera in five acts by Charles Gounod to a French libretto by Jules Barbier and Michel Carre, based on The Tragedy of Romeo and Juliet by William Shakespeare.