user: Question: What is the away team's score when the home team scores 7.8 (50)?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['St Kilda', '11.9 (75)', 'South Melbourne', '9.8 (62)', 'Junction Oval', 10000.0, '5 September 1925']
SQL:

assistant: SELECT "Away team score" FROM "Table" WHERE "Home team score" = '7.8 (50)';