Question: What is the date of birth of the director of film The Berliner (Film)?
Sentence (from "The Berliner (film)"): The Berliner (original title Berliner Ballade, also known as The Ballad of Berlin) was a 1948 motion picture, adapted by Günter Neumann from his cabaret, directed by Robert A. Stemmle, and starring Gert Fröbe in his first leading role.
Relevant evidence: Yes