user: Question: What did the away team score when playing 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: ['Melbourne', '19.13 (127)', 'Richmond', '12.18 (90)', 'MCG', 25211.0, '2 August 1975']
SQL:

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