user: Question: How big was the crowd when the away team was 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: ['Geelong', '10.12 (72)', 'South Melbourne', '9.12 (66)', 'Corio Oval', 13500.0, '9 July 1927']
SQL:

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