user: Question: What is the away team score for North Melbourne's home team?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Essendon', '19.19 (133)', 'Melbourne', '12.13 (85)', 'Windy Hill', 22403.0, '22 May 1982']
SQL:

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