Question: When is the director of film Love Unto Waste 's birthday?
Sentence (from "Love Unto Waste"): Love Unto Waste is a 1986 Hong Kong drama film directed by Stanley Kwan and starring Tony Leung, Irene Wan, Elaine Jin, Tsai Chin, Chow Yun-fat with guest appearances by Elaine Chow and Winnie Yu.
Relevant evidence: Yes