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 |
| --- | --- | --- | --- | --- | --- | --- |
| Melbourne | 16.16 (112) | St Kilda | 10.21 (81) | MCG | 25703.0 | 6 May 1939 |
| Essendon | 16.8 (104) | Richmond | 15.16 (106) | Windy Hill | 21000.0 | 6 May 1939 |
| Collingwood | 17.11 (113) | Footscray | 14.14 (98) | Victoria Park | 20000.0 | 6 May 1939 |
| Carlton | 17.21 (123) | North Melbourne | 16.10 (106) | Princes Park | 18000.0 | 6 May 1939 |
| Hawthorn | 17.14 (116) | Geelong | 8.18 (66) | Glenferrie Oval | 12000.0 | 6 May 1939 |
| South Melbourne | 9.14 (68) | Fitzroy | 10.17 (77) | Lake Oval | 15000.0 | 6 May 1939 |
Question:
When North Melbourne is the Away team, what is the total number of the Crowd?
Answer:
1.0