user: Question: What was the largest crowd at 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: ['Melbourne', '17.18 (120)', 'Richmond', '7.12 (54)', 'MCG', 38000.0, '1 July 1961']
SQL:

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