Question: Léontine de Maësen (15 July 1835 – 1906) was a Belgian coloratura soprano active on the opera stages of France from 1858 to 1868, most remembered today for having created the role of Leïla in Bizet's 1863 opera in three acts, titled what?
Sentence (from "Les pêcheurs de perles"): It was premiered on 30 September 1863 at the Théâtre Lyrique in Paris, and was given 18 performances in its initial run.
Relevant evidence: No