Question: Which film has the director who is older than the other, Only The Valiant or Permanent Vacation (1980 Film)? 
Sentence (from "Only the Valiant"): Only the Valiant, also known as Fort Invincible, is a 1951 Western film produced by William Cagney( younger brother of James Cagney), directed by Gordon Douglas and starring Gregory Peck, Barbara Payton, and Ward Bond.
Relevant evidence: Yes