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 |
| --- | --- | --- | --- | --- | --- | --- |
| Hawthorn | 11.18 (84) | St Kilda | 15.17 (107) | Glenferrie Oval | 18000.0 | 8 July 1939 |
| Fitzroy | 10.20 (80) | North Melbourne | 9.16 (70) | Brunswick Street Oval | 12000.0 | 8 July 1939 |
| Essendon | 17.20 (122) | Footscray | 18.15 (123) | Windy Hill | 13000.0 | 8 July 1939 |
| Richmond | 13.21 (99) | Melbourne | 15.16 (106) | Punt Road Oval | 22000.0 | 8 July 1939 |
| Geelong | 18.12 (120) | Collingwood | 16.13 (109) | Corio Oval | 10500.0 | 8 July 1939 |
| South Melbourne | 12.16 (88) | Carlton | 16.17 (113) | Lake Oval | 14000.0 | 8 July 1939 |
Question:
What was the lowest attendance at Glenferrie Oval?
Answer:
18000.0