Question: Which film has the director who is older than the other, Thadaakam or Chehraa? 
Sentence (from "Thadaakam"): Thadaakam( മലയാളം:, meaning" lake") is a 1982 Malayalam- language Indian feature film directed by I. V. Sasi, starring Mammootty and Ratheesh in lead roles.
Relevant evidence: Yes