Question: What is the date of birth of the composer of film Subhalekha?
Sentence (from "Subhalekha"): After making "Saptapadi", in which he dealt with the social stigma of the caste system, K. Viswanath followed up with this film in which he dealt with the social malady of the dowry system and is inspired by famous writer Gurazada Venkata Apparao's work "Kanyasulkam".
Relevant evidence: No