user: Question: What is the average attendance for a game against Phoenix?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Decision', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['February 1', 'Anaheim', '0 – 1', 'St. Louis', 'Legace', 19150.0, '24–19–7']
SQL:

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