Question: Which film has the director who is older than the other, Roamin' Holiday or Jazz Boat? 
Sentence (from "Ken Hughes"): Kenneth Graham" Ken" Hughes( 19 January 1922 – 28 April 2001) was an English film director, writer and producer, who is best known as the co-writer and director of the children's film" Chitty Chitty Bang Bang"( 1968).
Relevant evidence: Yes