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 | 13.19 (97) | North Melbourne | 8.4 (52) | Western Oval | 22178.0 | 22 April 1961 |
| Essendon | 13.7 (85) | St Kilda | 9.15 (69) | Windy Hill | 23000.0 | 22 April 1961 |
| Collingwood | 3.16 (34) | Richmond | 7.15 (57) | Victoria Park | 23000.0 | 22 April 1961 |
| Carlton | 9.5 (59) | Fitzroy | 6.18 (54) | Princes Park | 29384.0 | 22 April 1961 |
| Melbourne | 5.14 (44) | Hawthorn | 11.10 (76) | MCG | 34640.0 | 22 April 1961 |
| South Melbourne | 12.8 (80) | Geelong | 12.12 (84) | Lake Oval | 24258.0 | 22 April 1961 |
Question:
What day is north melbourne the away side?
Answer:
22 April 1961