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 |
| --- | --- | --- | --- | --- | --- | --- |
| Geelong | 12.13 (85) | Hawthorn | 10.14 (74) | Kardinia Park | 13373.0 | 21 July 1956 |
| Essendon | 10.18 (78) | North Melbourne | 6.11 (47) | Windy Hill | 12800.0 | 21 July 1956 |
| Collingwood | 14.16 (100) | Richmond | 8.5 (53) | Victoria Park | 21422.0 | 21 July 1956 |
| Carlton | 8.18 (66) | St Kilda | 9.12 (66) | Princes Park | 30100.0 | 21 July 1956 |
| Melbourne | 7.17 (59) | Footscray | 10.12 (72) | MCG | 47956.0 | 21 July 1956 |
| South Melbourne | 11.15 (81) | Fitzroy | 15.15 (105) | Lake Oval | 15000.0 | 21 July 1956 |
Question:
Which average crowd has a Home team score of 11.15 (81)?
Answer:
15000.0