Question: What is the date of birth of Sirimavo Bandaranaike's husband?
Sentence (from "S. W. R. D. Bandaranaike"): Bandaranaike served as the prime minister till he was assassinated by a Buddhist monk named Ven Talduwe Somarama in 1959 allegedly over the signing of the Bandaranaike–Chelvanayakam Pact.
Relevant evidence: No