Question: Which film has the director who is older than the other, Nenjil Or Aalayam or Brahmarshi Vishwamitra? 
Sentence (from "N. T. Rama Rao"): Nandamuri Taraka Rama Rao( 28 May 1923 – 18 January 1996), popularly known as NTR, was an Indian actor, producer, director, editor and politician who served as Chief Minister of Andhra Pradesh for seven years over three terms.
Relevant evidence: Yes