user: Question: Which Studio has a Director of Oliver Stone?
Columns: ['Rank', 'Title', 'Studio', 'Director', 'Gross']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Top Gun', 'Paramount', 'Tony Scott', '$353,816,701']
SQL:

assistant: SELECT "Studio" FROM "Table" WHERE "Director" = 'Oliver Stone';