user: Question: What is the score for the away team of North Melbourne?
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', '5.7 (37)', 'Hawthorn', '17.15 (117)', 'Western Oval', 13307.0, '3 July 1976']
SQL:

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