Are both Savitri and Le devin du village considered operas?
Le devin du village The Village Soothsayer (French: "Le devin du village") is a one-act French opera (intermède) by Jean-Jacques Rousseau, who also wrote the libretto. It was the first work in the repertory of the Académie Royale de Musique for which the text and music were by the same author.
Le shérif Le shérif (The Sheriff) is an opéra comique in three acts composed by Fromental Halévy to a libretto by Eugène Scribe. It was premiered by the Opéra-Comique at the Salle de la Bourse in Paris on 2 September 1839. Based on a short story by Balzac, the opera is set in the London Docklands during the late 18th century.