Question: Which film has the director who is older than the other, Solva Saal or Subha Sankalpam? 
Sentence (from "Solva Saal"): This film also contains the song "Hai Apna Dil To Awaara" picturized on Dev Anand and Waheeda Rehman in the train, sung by Hemant Kumar, with mouth organ by Rahul Dev Burman.
Relevant evidence: No