Question: When is the composer of film Opera Ball (1939 Film) 's birthday?
Sentence (from "Richard Heuberger"): He studied at the Graz Conservatory (where he studied with Robert Fuchs), and later transferred to Vienna, where he eventually became the chorus master of the Wiener Akademischer Gesangverein, conductor of the Wiener Singakademie, director of the Wiener Männergesang-Verein (Vienna Men's Choral Association), and a teacher at the Konservatorium der Stadt Wien.
Relevant evidence: No