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 | Opponent | Venue | Result | Attendance | Competition | Man of the Match |
| --- | --- | --- | --- | --- | --- | --- |
| 1st | Milton Keynes Lightning | Home | Won 5-4 | 1,336 | League | Terry Miles |
| 8th | Bracknell Bees | Away | Won 4-3 (OT) | N/A | League | Ollie Bronnimann |
| 14th | Peterborough Phantoms | Away | Won 4-2 | 493 | League | N/A |
| 15th | Slough Jets | Home | Lost 3-2 | 1,634 | League | Joe Watkins |
| 19th | Slough Jets | Home | Drawn 1-1 | 2,057 | Cup Semi-Final (1st Leg) | David Savage |
| 21st | Peterborough Phantoms | Home | Won 5-3 | 1,551 | League | Ben Austin |
| 22nd | Sheffield Scimitars | Away | Lost 5-4 | 627 | League | N/A |
| 25th | Slough Jets | Away | Won 4-2 | 702 | Cup Semi-Final (2nd Leg) | N/A |
Question:
who was the opponent where the date was the 21st?
Answer:
Peterborough Phantoms