user: Question: Which away team scored 17.7 (109)?
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', '13.12 (90)', 'North Melbourne', '12.9 (81)', 'MCG', 32957.0, '16 June 1973']
SQL:

assistant: SELECT "Away team" FROM "Table" WHERE "Away team score" = '17.7 (109)';