Question: What is the date of death of the director of film The Velvet Underground And Nico: A Symphony Of Sound?
Sentence (from "Andy Warhol"): Some of his best known works include the silkscreen paintings "Campbell's Soup Cans" (1962) and "Marilyn Diptych" (1962), the experimental film "Chelsea Girls" (1966), and the multimedia events known as the "Exploding Plastic Inevitable" (1966–67).
Relevant evidence: No