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 |
| --- | --- | --- | --- | --- | --- | --- |
| Hawthorn | 17.13 (115) | North Melbourne | 11.11 (77) | Glenferrie Oval | 11000.0 | 29 April 1939 |
| Fitzroy | 14.18 (102) | St Kilda | 20.14 (134) | Brunswick Street Oval | 15000.0 | 29 April 1939 |
| Essendon | 19.21 (135) | Melbourne | 21.15 (141) | Windy Hill | 20000.0 | 29 April 1939 |
| Richmond | 20.19 (139) | Footscray | 17.8 (110) | Punt Road Oval | 26000.0 | 29 April 1939 |
| South Melbourne | 15.17 (107) | Collingwood | 21.20 (146) | Lake Oval | 17000.0 | 29 April 1939 |
| Geelong | 14.8 (92) | Carlton | 11.13 (79) | Corio Oval | 15000.0 | 29 April 1939 |
Question:
What is the highest crowd with north melbourne as away team?
Answer:
11000.0