user: Question: What is the away team's score when the away side scores 8.7 (55)?
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', '12.12 (84)', 'South Melbourne', '5.9 (39)', 'Arden Street Oval', 9506.0, '24 August 1963']
SQL:

assistant: SELECT "Home team score" FROM "Table" WHERE "Away team score" = '8.7 (55)';