Question: Who originally wrote an unproduced script that later became an animated movie in which the song "Chanson Illusionist" was featured?
Sentence (from "The Illusionist (2010 film)"): Controversy surrounds Tati's motivation for the script, which was written as a personal letter to his estranged eldest daughter, Helga Marie-Jeanne Schiel in collaboration with his long-term writing partner Henri Marquet, between writing for the films "Mon Oncle" and "Play Time".
Relevant evidence: No