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 |
| --- | --- | --- | --- | --- | --- | --- |
| St Kilda | 11.21 (87) | South Melbourne | 9.17 (71) | Moorabbin Oval | 15736.0 | 19 April 1975 |
| Essendon | 16.21 (117) | Melbourne | 15.10 (100) | Windy Hill | 22824.0 | 19 April 1975 |
| Carlton | 14.18 (102) | North Melbourne | 9.12 (66) | Princes Park | 23824.0 | 19 April 1975 |
| Geelong | 13.12 (90) | Footscray | 14.14 (98) | Kardinia Park | 17158.0 | 19 April 1975 |
| Fitzroy | 12.13 (85) | Collingwood | 12.15 (87) | Junction Oval | 17626.0 | 19 April 1975 |
| Hawthorn | 17.14 (116) | Richmond | 12.15 (87) | VFL Park | 39496.0 | 19 April 1975 |
Question:
What is the highest crowd number of the game where the away team was south melbourne?
Answer:
15736.0