Question: When was the director of "An American Werewolf in London" born? 
Sentence (from "John Landis"): He is best known for the comedy films that he has directed such as "National Lampoon's Animal House" (1978), "The Blues Brothers" (1980), "An American Werewolf in London" (1981), "Trading Places" (1983), "¡Three Amigos!
Relevant evidence: No