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 |
| --- | --- | --- | --- | --- | --- | --- |
| Richmond | 15.17 (107) | St Kilda | 17.4 (106) | Punt Road Oval | 27000.0 | 2 May 1936 |
| Essendon | 17.15 (117) | North Melbourne | 11.4 (70) | Windy Hill | 15000.0 | 2 May 1936 |
| South Melbourne | 14.24 (108) | Melbourne | 13.9 (87) | Lake Oval | 22000.0 | 2 May 1936 |
| Geelong | 20.24 (144) | Footscray | 10.9 (69) | Corio Oval | 12000.0 | 2 May 1936 |
| Hawthorn | 12.11 (83) | Collingwood | 15.14 (104) | Glenferrie Oval | 14000.0 | 2 May 1936 |
| Fitzroy | 13.9 (87) | Carlton | 24.19 (163) | Brunswick Street Oval | 32000.0 | 2 May 1936 |
Question:
What is the average crowd size for corio oval?
Answer:
12000.0