Question: When is the director of film Pieśniarz Warszawy 's birthday?
Sentence (from "Michał Waszyński"): Michał Waszyński (29 September 1904 – 20 February 1965) was first a film director in Poland, then in Italy, and later (as Michael Waszynski) a producer of the major American films, mainly in Spain.
Relevant evidence: Yes