Question: What is the date of death of the director of film How Sweet It Is!?
Sentence (from "Jerry Paris"): William Gerald Paris (July 25, 1925 – March 31, 1986) professionally known as Jerry Paris, was an American actor and director best known for playing Jerry Helper, the dentist and next-door neighbor of Rob and Laura Petrie, on "The Dick Van Dyke Show".
Relevant evidence: Yes