user: Question: What is the home team's score when Richmond is away?
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', '20.8 (128)', 'North Melbourne', '6.10 (46)', 'MCG', 31263.0, '11 July 1959']
SQL:

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