user: Question: What was the Home team's score when the Away team scored 12.6 (78)?
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', '8.5 (53)', 'Richmond', '12.18 (90)', 'Arden Street Oval', 12000.0, '7 July 1928']
SQL:

assistant: SELECT "Home team score" FROM "Table" WHERE "Away team score" = '12.6 (78)';