user: Question: When an away team scored 10.8 (68), what was the crowd size?
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', '6.11 (47)', 'Richmond', '11.9 (75)', 'Arden Street Oval', 10000.0, '20 July 1946']
SQL:

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