user: Question: What away team is the home team 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: ['Footscray', '17.22 (124)', 'North Melbourne', '8.13 (61)', 'Western Oval', 8000.0, '17 August 1940']
SQL:

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