user: Question: What is the Away Team score 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: ['Geelong', '20.16 (136)', 'North Melbourne', '6.11 (47)', 'Corio Oval', 9500.0, '7 May 1938']
SQL:

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