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 |
| --- | --- | --- | --- | --- | --- | --- |
| Footscray | 7.15 (57) | Richmond | 11.16 (82) | Western Oval | 16573.0 | 23 July 1966 |
| Essendon | 6.16 (52) | North Melbourne | 6.6 (42) | Windy Hill | 19400.0 | 23 July 1966 |
| Collingwood | 19.14 (128) | Fitzroy | 9.7 (61) | Victoria Park | 18094.0 | 23 July 1966 |
| Carlton | 7.15 (57) | St Kilda | 5.11 (41) | Princes Park | 33367.0 | 23 July 1966 |
| Melbourne | 23.13 (151) | Hawthorn | 9.5 (59) | MCG | 18254.0 | 23 July 1966 |
| South Melbourne | 9.11 (65) | Geelong | 9.17 (71) | Lake Oval | 20100.0 | 23 July 1966 |
Question:
In which of North Melbourne's away games was there the lowest crowd?
Answer:
19400.0