user: Question: What is the away team when North Melbourne is at home?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['North Melbourne', '9.10 (64)', 'St Kilda', '5.9 (39)', 'Arden Street Oval', 7000.0, '28 June 1952']
SQL:

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