Question: Which film has the director who is older than the other, Krakatit or Bangaaru Kalalu? 
Sentence (from "Bangaaru Kalalu"): Bangaaru Kalalu( English: Golden Dreams) is a 1974 Telugu drama film, produced by D. Madhusudhana Rao under Annapurna Pictures banner and directed by Adurthi Subba Rao.
Relevant evidence: Yes