Question: Who commissioned the 1919 ballet written by the creator of the role of the Can-Can Dancer in "La Boutique fantasque"?
Sentence (from "The Three-Cornered Hat"): El sombrero de tres picos ("The Three-Cornered Hat" or "Le tricorne") is a ballet choreographed by Léonide Massine to music by Manuel de Falla, commissioned by Sergei Diaghilev and premiered complete in 1919.
Relevant evidence: Yes