Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Home team | Home team score | Away team | Away team score | Venue | Crowd | Date |
| --- | --- | --- | --- | --- | --- | --- |
| Melbourne | 18.15 (123) | North Melbourne | 11.13 (79) | MCG | 3944.0 | 5 September 1931 |
| Hawthorn | 5.13 (43) | Richmond | 13.21 (99) | Glenferrie Oval | 11000.0 | 5 September 1931 |
| Geelong | 16.12 (108) | South Melbourne | 8.11 (59) | Corio Oval | 10500.0 | 5 September 1931 |
| Essendon | 15.7 (97) | Fitzroy | 12.8 (80) | Windy Hill | 10000.0 | 5 September 1931 |
| Carlton | 6.14 (50) | Footscray | 7.12 (54) | Princes Park | 39000.0 | 5 September 1931 |
| St Kilda | 21.16 (142) | Collingwood | 20.8 (128) | Junction Oval | 17000.0 | 5 September 1931 |
Question:
In the match as corio oval, who was the away team?
Answer:
South Melbourne