Question: What is the date of birth of the director of film Invisible Opponent?
Sentence (from "Rudolph Cartier"): Rudolph Cartier (born Rudolph Kacser, renamed himself in Germany to Rudolph Katscher; 17 April 1904 – 7 June 1994) was an Austrian television director, filmmaker, screenwriter and producer who worked predominantly in British television, exclusively for the BBC.
Relevant evidence: Yes