user: Question: Which was the highest crowd drawn by an Away team in Richmond?
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', '11.18 (84)', 'St Kilda', '11.6 (72)', 'MCG', 48952.0, '23 June 1962']
SQL:

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