user: ### NOW ANSWER:
Question: What is the size of the crowd at the game where the home team scored 10.8 (68)?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Essendon', '17.24 (126)', 'South Melbourne', '6.8 (44)', 'Windy Hill', 11000.0, '2 September 1944']
SQL:

assistant: SELECT AVG("Crowd") FROM "Table" WHERE "Home team score" = '10.8 (68)';