user: Question: What was the attendance at Corio Oval?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Hawthorn', '17.15 (117)', 'South Melbourne', '9.20 (74)', 'Glenferrie Oval', 7000.0, '20 August 1938']
SQL:

assistant: SELECT "Crowd" FROM "Table" WHERE "Venue" = 'Corio Oval';