Question: Which film has the director who is older than the other, Vazhikal Yaathrakkar or Njaan Njaan Maathram? 
Sentence (from "Njaan Njaan Maathram"): Njaan Njaan Maathram is a 1978 Indian Malayalam- language film, directed by I. V. Sasi and produced by M. O. Joseph.
Relevant evidence: Yes