user: Question: What was the biggest crowd when the away team of South Melbourne played there?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['North Melbourne', '13.11 (89)', 'Richmond', '17.16 (118)', 'Arden Street Oval', 11000.0, '29 June 1940']
SQL:

assistant: SELECT MAX("Crowd") FROM "Table" WHERE "Away team" = 'South Melbourne';