user: Question: What is the average Attendance, when Visitor is Toronto?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Decision', 'Attendance', 'Record', 'Points']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'real']
Sample row: ['November 11', 'NY Rangers', '3 – 0', 'Philadelphia', 'Miller', 5000.0, '0–1–0', 0.0]
SQL:

assistant: SELECT AVG("Attendance") FROM "Table" WHERE "Visitor" = 'Toronto';