Question: Which film has the director who is older than the other, The Reluctant Astronaut or Lonesome Cowboys? 
Sentence (from "The Reluctant Astronaut"): Comedian Knotts had won several Emmy Awards as small- town comic sheriff's deputy Barney Fife in the 1960- 1968 television sitcom" The Andy Griffith Show" but left the show as a regular at the end of its fifth season( 1964 – 1965) to pursue a career in feature films with Universal Pictures.
Relevant evidence: No