Question: Why did the director of film Graffiti Bridge (Film) die?
Sentence (from "Prince (musician)"): Followed with his next four albums — "Prince" (1979), "Dirty Mind" (1980), "Controversy" (1981), and "1999" (1982)—Prince gained critical success, prominently showcasing his explicit lyrics as well as blending of funk, dance, and rock music.
Relevant evidence: No