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 |
| --- | --- | --- | --- | --- | --- | --- |
| Carlton | 21.19 (145) | Essendon | 14.12 (96) | Princes Park | 23948.0 | 4 April 1970 |
| St Kilda | 14.16 (100) | North Melbourne | 7.6 (48) | Moorabbin Oval | 21429.0 | 4 April 1970 |
| South Melbourne | 9.14 (68) | Melbourne | 14.9 (93) | Lake Oval | 15242.0 | 4 April 1970 |
| Hawthorn | 19.12 (126) | Geelong | 21.9 (135) | Glenferrie Oval | 20509.0 | 4 April 1970 |
| Footscray | 12.12 (84) | Collingwood | 23.10 (148) | Western Oval | 26596.0 | 4 April 1970 |
| Richmond | 14.12 (96) | Fitzroy | 16.20 (116) | MCG | 38617.0 | 5 April 1970 |
Question:
What is the crowd for away team of north melbourne?
Answer:
21429.0