Question: What nationality is the director of film Maa Aavida Collector?
Sentence (from "Kodi Ramakrishna"): Other notable works of Rama Krishna are Social problem films; such as, "Ankusham" (1989), "20va Shatabdam" (1990), "Bharat Bandh" (1991), and "Sathruvu" (1991).
Relevant evidence: No