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 | 8.10 (58) | Hawthorn | 20.14 (134) | Western Oval | 15933.0 | 31 May 1975 |
| Collingwood | 15.8 (98) | St Kilda | 13.11 (89) | Victoria Park | 22695.0 | 31 May 1975 |
| Carlton | 16.19 (115) | Richmond | 9.13 (67) | Princes Park | 32576.0 | 31 May 1975 |
| South Melbourne | 11.26 (92) | Geelong | 7.13 (55) | Lake Oval | 9880.0 | 31 May 1975 |
| Melbourne | 18.15 (123) | Fitzroy | 17.10 (112) | MCG | 16244.0 | 31 May 1975 |
| Essendon | 15.8 (98) | North Melbourne | 11.17 (83) | VFL Park | 28936.0 | 31 May 1975 |
Question:
What was the date of the game at Princes Park?
Answer:
31 May 1975