Conversation so far:
what was a movie Gus Van Sant made in this style?
Drugstore Cowboy.
when was the movie Drugstore Cowboy by Gus van sant released?
In 1989
did Gus Van sant make any other films besides Drugstore cowboy?
My Own Private Idaho
was the movie my own private Idaho by Gus Van sant a sucess?
Since its release, the film has grown in popularity and been deemed as a cult classic.
what else did Gus Van Sant  do besides the movie My own private Idaho?
Gus Van Sant's film My Own Private Idaho (1991) was praised, as was the black comedy To Die For (1995).
did Gus Van Sant win any awards?
Drugstore Cowboy earned Gus Van Sant the award for Best Director from the National Society of Film Critics.
was National Society of Film Critics Award for Best Director Gus Van Sant's  only award?
Gus Van Sant's film about the Columbine High School massacre, Elephant, won the Palme d'Or at the Cannes Film Festival.

Question: what was his most famous movie
Self-contained rewrite: what was gus van sant most famous movie?