Question: What is the date of death of the director of film Bomma Borusa?
Sentence (from "Bomma Borusa"): The film stars Chandra Mohan, S. Varalakshmi, Chalam, Vennira Aadai Nirmala, Allu Ramalingaiah, Mukkamala, Raja Babu and Ramaprabha.
Relevant evidence: No