user: Question: What was Richmond's highest attendance?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Geelong', '13.14 (92)', 'St Kilda', '9.11 (65)', 'Kardinia Park', 7500.0, '1 September 1945']
SQL:

assistant: SELECT MAX("Crowd") FROM "Table" WHERE "Home team" = 'Richmond';