user: Question: Who was Carlton's away team opponents?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Richmond', '17.15 (117)', 'Essendon', '17.22 (124)', 'MCG', 51548.0, '5 April 1980']
SQL:

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