Question: What nationality is the director of film Vaalu?
Sentence (from "Vijayachander"): Vijayachander is known for his path-breaking works in biographical films; He essayed Jesus of Nazareth in the 1978 film "Karunamayudu" which he produced, and won the Nandi Award for Best Feature Film; He then enacted his own maternal Grandfather "Tanguturi Prakasam Pantulu" in the 1982 film "Andhra Kesari" for which he has received the state Nandi Special Jury Award.
Relevant evidence: No