user: Question: For all games with Calgary as home, what is the average number of attendees?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Decision', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['February 1', 'Columbus', '2 – 1', 'Calgary', 'Denis', 19289.0, '21–30–2']
SQL:

assistant: SELECT AVG("Attendance") FROM "Table" WHERE "Home" = 'Calgary';