Question: What was the name of the 1929 novel written by the author whose scenario inspired the one-act ballet "Le Train Bleu"?
Sentence (from "Jean Cocteau"): His circle of associates, friends and lovers included Kenneth Anger, Pablo Picasso, Gertrude Stein, Jean Hugo, Jean Marais, Henri Bernstein, Yul Brynner, Marlene Dietrich, Coco Chanel, Erik Satie, Albert Gleizes, Igor Stravinsky, Marie Laurencin, María Félix, Édith Piaf, Panama Al Brown, Colette, Jean Genet, and Raymond Radiguet.
Relevant evidence: No