Question: Which film has the director who is older than the other, Lalach or The Back Of Beyond? 
Sentence (from "John Heyer"): Heyer was an active participant in the documentary film movement in Australia in the 1940s and 1950s: he was among the first producers employed by the Australian National Film Board, was head of the Shell Film Unit in Australia, and was President of the Sydney Film Society and on the committee which organised the first Sydney Film Festival.
Relevant evidence: No