Question: Which film whose director is younger, Akale Aakaasham or Premada Putri?
Sentence (from "R. Nagendra Rao"): His second son, R. N. Krishna Prasad, was a cinematographer, his third son, R. N. Jayagopal, a screenwriter and lyricist and his youngest, R. N. Sudarshan, an actor.
Relevant evidence: No