user: Question: Who was the opponent of Carlton at their home game?
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', '13.14 (92)', 'St Kilda', '8.10 (58)', 'Western Oval', 14000.0, '28 May 1932']
SQL:

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