Question: What is the date of death of the composer of film Soubhagyavathi?
Sentence (from "Soubhagyavathi"): The film stars Gemini Ganesan Savitri, K. A. Thangavelu S. V. Ranga Rao and T. P. Muthulakshmi, playing lead, with O. A. K. Devar, Kaka Radhakrishnan, M. S. Draupadi and Suryakala in supporting roles.
Relevant evidence: No