Question: Which film has the director who is older, Jettchen Gebert'S Story or The Three Sisters (1966 Film)?
Sentence (from "Jettchen Gebert's Story"): Jettchen Gebert's Story( German:Jettchen Geberts Geschichte) is a 1918 German silent film directed by Richard Oswald and starring Mechthildis Thein, Conrad Veidt and Leo Connard.
Relevant evidence: Yes