Question: What nationality is the director of film Bois De Boulogne (Film)?
Sentence (from "Gabriel Poulain"): He made several attempts to achieve human- powered flight and in July 1921 won a prize of 10,000 francs awarded by Peugeot for a flight of ten metres at a height of one metre, on a bicycle with two wing planes in the Bois de Boulogne in Paris.
Relevant evidence: No