Question: When is the director of film Seilama 's birthday?
Sentence (from "H. D. Premaratne"): While working at the old Times of Ceylon group, he was an Assistant Director for "Pujithayo" before embarking on his maiden directorial venture "Sikuruliya" starring Vijaya Kumaranatunga and Swineetha Weerasinghe in 1975.
Relevant evidence: No