Question: Which film has the director who is older than the other, Solo for Sparrow or Killer Leopard? 
Sentence (from "Yvonne Buckingham"): Yvonne Buckingham is an English actress who appeared in the films which include," Next to No Time" in 1958," Sapphire" in 1959," Urge to Kill" in 1960," Murder in Eden" in 1961," The Sinister Man" in 1961," Solo for Sparrow" in 1962.
Relevant evidence: No