user: Question: What is the name of the stadium when the visiting team is the Denver Broncos?
Columns: ['Date', 'Visiting Team', 'Final Score', 'Host Team', 'Stadium']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['September 4', 'Washington Redskins', '7–16', 'New York Giants', 'Giants Stadium']
SQL:

assistant: SELECT "Stadium" FROM "Table" WHERE "Visiting Team" = 'Denver Broncos';