user: Question: When Richmond was the Home team, who was the away team?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Fitzroy', '6.8 (44)', 'South Melbourne', '7.11 (53)', 'Brunswick Street Oval', '2 May 1908']
SQL:

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