user: Question: Name the total number of attendance when the cavaliers visited
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Leading scorer', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['December 1, 2007', 'Raptors', '97–101', 'Wizards', 'Caron Butler (29)', 20173.0, '8–9']
SQL:

assistant: SELECT SUM("Attendance") FROM "Table" WHERE "Visitor" = 'cavaliers';