Question: Which film has the director who is older than the other, Krakatit or Bangaaru Kalalu? 
Sentence (from "Adurthi Subba Rao"): Adurthi Subba Rao( 16 December 1912 – 1 October 1975) was an Indian film director, cinematographer, screenwriter, editor and producer known for his works predominantly in Telugu cinema, bollywood, and Tamil cinema.
Relevant evidence: Yes