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 |
| --- | --- | --- | --- | --- | --- | --- |
| North Melbourne | 7.15 (57) | South Melbourne | 8.13 (61) | Arden Street Oval | 7730.0 | 25 May 1968 |
| Essendon | 11.14 (80) | Richmond | 10.18 (78) | Windy Hill | 22980.0 | 25 May 1968 |
| Carlton | 15.11 (101) | Collingwood | 9.13 (67) | Princes Park | 26045.0 | 25 May 1968 |
| Melbourne | 11.14 (80) | Hawthorn | 11.10 (76) | MCG | 17263.0 | 25 May 1968 |
| St Kilda | 11.13 (79) | Footscray | 4.11 (35) | Moorabbin Oval | 16056.0 | 25 May 1968 |
| Geelong | 11.21 (87) | Fitzroy | 7.6 (48) | Kardinia Park | 11474.0 | 25 May 1968 |
Question:
What was the lowest Crowd Size for the Home Team of North Melbourne?
Answer:
7730.0