user: Question: What is the away side's score when Richmond is at home?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Richmond', '8.14 (62)', 'St Kilda', '6.9 (45)', 'Punt Road Oval', 20000.0, '18 July 1925']
SQL:

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