user: Question: Who was the away team when Carlton was the home team?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Ground', 'Crowd', 'Date', 'Report']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['North Melbourne', '17.12 (114)', 'Collingwood', '14.12 (96)', 'Telstra Dome', 46610.0, 'Friday, 18 July', 'AFL.com.au']
SQL:

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