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 |
| --- | --- | --- | --- | --- | --- | --- |
| Fitzroy | 13.14 (92) | Richmond | 12.16 (88) | Junction Oval | 12997.0 | 9 May 1981 |
| Essendon | 14.17 (101) | St Kilda | 11.10 (76) | Windy Hill | 16828.0 | 9 May 1981 |
| Collingwood | 18.15 (123) | South Melbourne | 7.16 (58) | Victoria Park | 20553.0 | 9 May 1981 |
| Hawthorn | 8.8 (56) | Geelong | 7.17 (59) | Princes Park | 13275.0 | 9 May 1981 |
| Melbourne | 8.8 (56) | Carlton | 12.24 (96) | MCG | 22020.0 | 9 May 1981 |
| North Melbourne | 17.16 (118) | Footscray | 7.12 (54) | VFL Park | 10989.0 | 9 May 1981 |
Question:
What day did Collingwood play as the home team?
Answer:
9 May 1981