Question: When was the American comedian, actor and musician died who was best known for his "intense energy and raucous attitude" and also worked with  Layne "Shotgun" Britton?
Sentence (from "William DuVall"): William Bradley DuVall (born September 6, 1967) is an American musician, best known as being the current co-vocalist and a rhythm guitarist for the alternative metal band Alice in Chains replacing original vocalist Layne Staley, who died in 2002.
Relevant evidence: No