Question: Which film has the director who is older than the other, The Citadel Of Silence or Light Blast? 
Sentence (from "The Citadel of Silence"): The Citadel of Silence( French: La citadelle du silence) is a 1937 French drama film directed by Marcel L'Herbier and starring Annabella, Pierre Renoir and Bernard Lancret.
Relevant evidence: Yes