Question: A Novel written by who is an opera based on in four acts by Jules Massenet to a French libretto by Édouard Blau, Paul Milliet and Georges Hartmann, that is a mainstay of the repertory during its history have included the following works which have each been performed more than 1,000 times by the company?
Sentence (from "Werther"): It is loosely based on the German epistolary novel "The Sorrows of Young Werther" by Johann Wolfgang von Goethe, which was based both on fact and on Goethe's own early life.
Relevant evidence: Yes