user: Question: At what venue was Richmond 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', '22.17 (149)', 'North Melbourne', '15.14 (104)', 'MCG', 21069.0, '15 May 1971']
SQL:

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