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 | 15.11 (101) | Richmond | 14.14 (98) | Arden Street Oval | 15359.0 | 23 July 1977 |
| Fitzroy | 7.13 (55) | South Melbourne | 16.21 (117) | Junction Oval | 10220.0 | 23 July 1977 |
| Carlton | 11.8 (74) | Collingwood | 15.16 (106) | Princes Park | 38220.0 | 23 July 1977 |
| Melbourne | 15.18 (108) | Geelong | 20.14 (134) | MCG | 15890.0 | 23 July 1977 |
| Footscray | 12.21 (93) | Essendon | 11.10 (76) | Western Oval | 17834.0 | 23 July 1977 |
| Hawthorn | 24.19 (163) | St Kilda | 11.11 (77) | VFL Park | 20469.0 | 23 July 1977 |
Question:
What was the biggest crowd when South Melbourne was an away team?
Answer:
10220.0