Question: Which film has the director who is older than the other, Blow Your Own Horn or A Yank in Ermine? 
Sentence (from "A Yank in Ermine"): A Yank in Ermine is a 1955 British comedy film directed by Gordon Parry and starring Peter M. Thompson, Noelle Middleton, Harold Lloyd Jr. and Diana Decker, and featuring Jon Pertwee and Sid James.
Relevant evidence: Yes