Question: How many years after his death did the first film to portray the life of the First World War fighter pilot Manfred von Richthofen come out?
Sentence (from "Manfred von Richthofen"): Manfred Albrecht Freiherr von Richthofen (2 May 1892 – 21 April 1918), also known as the "Red Baron", was a fighter pilot with the German Air Force during World War I.
Relevant evidence: No