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:
| Date | Result | Score | Stadium | City | Crowd |
| --- | --- | --- | --- | --- | --- |
| 20 June 1997 | Adelaide Rams def. Oldham Bears | 42-14 | Adelaide Oval | Adelaide | 13852.0 |
| 20 June 1997 | Cronulla Sharks def. Bradford Bulls | 30-10 | Odsal Stadium | Bradford | 10756.0 |
| 21 June 1997 | North Queensland Cowboys def. Salford Reds | 44-8 | Stockland Stadium | Townsville | 15508.0 |
| 21 June 1997 | Paris-St Germain def. Perth Reds | 24-0 | Charlety Stadium | Paris | 2500.0 |
| 22 June 1997 | Brisbane Broncos def. Halifax Blue Sox | 76-0 | ANZ Stadium | Brisbane | 11358.0 |
| 22 June 1997 | Canberra Raiders def. Wigan Warriors | 42-6 | Bruce Stadium | Canberra | 9098.0 |
| 23 June 1997 | Canterbury Bulldogs def. London Broncos | 34-18 | Belmore | Sydney | 4000.0 |
| 23 June 1997 | Auckland Warriors def. Warrington Wolves | 56-28 | Wilderspool | Warrington | 4428.0 |
| 20 June 1997 | Hunter Mariners def. Sheffield Eagles | 40-4 | Don Valley Stadium | Sheffield | 2500.0 |
Question:
What stadium was the game played at when the result was hunter mariners def. sheffield eagles?
Answer:
Don Valley Stadium