Conversation so far:
when did harry potter and the sorcerer's stone start filming
Filming for Harry Potter and the Sorcerer's Stone began on 29 September 2000.
when did the filming for Harry Potter and the Sorcerer's Stone end
Harry Potter and the Sorcerer's Stone concluded filming on 23 March 2001.
what is the film Harry Potter and the Sorcerer's Stone about
Harry Potter and the Sorceror's Stone's story follows Harry Potter's first year at Hogwarts School as he discovers that he is a famous wizard and begins his education.
did rowling have any input on the film Harry Potter and the Sorcerer's Stone
Rowling insisted that the entire cast of Harry Potter and the Sorceror's Stone be British and Irish.

Question: who produced the film
Self-contained rewrite: who produced the film Harry Potter and the Sorcerer's Stone