user: Question: What was the away score when North Melbourne was played?
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', '14.7 (91)', 'South Melbourne', '12.18 (90)', 'Arden Street Oval', 7000.0, '12 June 1943']
SQL:

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