user: Question: What was the away team when the game was 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: ['Geelong', '12.10 (82)', 'Richmond', '5.12 (42)', 'Corio Oval', 6500.0, '31 August 1929']
SQL:

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