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?
{'answer': 'Johann Wolfgang von Goethe', 'supporting_facts': [['Opéra-Comique', 5], ['Werther', 1]]}