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 |
| --- | --- | --- | --- | --- | --- | --- |
| North Melbourne | 7.4 (46) | South Melbourne | 10.17 (77) | Arden Street Oval | 15000.0 | 5 July 1952 |
| Essendon | 10.16 (76) | Geelong | 11.10 (76) | Windy Hill | 21000.0 | 5 July 1952 |
| Collingwood | 10.19 (79) | Richmond | 8.8 (56) | Victoria Park | 21911.0 | 5 July 1952 |
| St Kilda | 11.13 (79) | Footscray | 12.13 (85) | Junction Oval | 7800.0 | 5 July 1952 |
| Melbourne | 11.7 (73) | Fitzroy | 11.17 (83) | MCG | 25089.0 | 5 July 1952 |
| Hawthorn | 5.11 (41) | Carlton | 9.24 (78) | Glenferrie Oval | 11000.0 | 5 July 1952 |
Question:
What was the average crowd size when the away team was South Melbourne?
Answer:
15000.0