user: Question: What was the maximum attendance when Chicago is the visiting team?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Decision', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['April 2', 'St. Louis', '5 – 4', 'Detroit', 'Conklin', 19935.0, '49–19–9']
SQL:

assistant: SELECT MAX("Attendance") FROM "Table" WHERE "Visitor" = 'Chicago';