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 |
| --- | --- | --- | --- | --- | --- | --- |
| Melbourne | 6.12 (48) | St Kilda | 9.6 (60) | MCG | 10000.0 | 11 August 1951 |
| Hawthorn | 6.15 (51) | Richmond | 10.13 (73) | Glenferrie Oval | 11000.0 | 11 August 1951 |
| Collingwood | 12.9 (81) | Essendon | 5.7 (37) | Victoria Park | 30500.0 | 11 August 1951 |
| Carlton | 7.19 (61) | Geelong | 12.11 (83) | Princes Park | 17500.0 | 11 August 1951 |
| South Melbourne | 14.16 (100) | North Melbourne | 15.9 (99) | Lake Oval | 10000.0 | 11 August 1951 |
| Footscray | 4.6 (30) | Fitzroy | 8.9 (57) | Western Oval | 22000.0 | 11 August 1951 |
Question:
Who faced Collingwood as an away team?
Answer:
Essendon