Question: Which film has the director who is older than the other, Dirigible (Film) or Battling Butler? 
Sentence (from "Buster Keaton"): Joseph Frank Keaton (October 4, 1895 – February 1, 1966), known professionally as Buster Keaton, was an American actor, comedian, film director, producer, screenwriter, and stunt performer.
Relevant evidence: Yes