user: Question: What was the largest crowd of a game where Collingwood was the away team?
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', '19.15 (129)', 'St Kilda', '12.10 (82)', 'Arden Street Oval', 9500.0, '28 August 1954']
SQL:

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