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 |
| --- | --- | --- | --- | --- | --- |
| 6.0 | Milton Keynes Lightning | Away | Lost 0-7 | 960.0 | Premier Cup |
| 7.0 | Sheffield Scimitars | Home | Lost 3-5 | 1168.0 | League |
| 13.0 | Chelmsford Chieftains | Home | Won 5-0 | 1576.0 | Premier Cup |
| 14.0 | Bracknell Bees | Away | Lost 5-6 (OT) | 1400.0 | League |
| 20.0 | Wightlink Raiders | Away | Won 5-4 | 375.0 | League |
| 21.0 | Telford Tigers | Home | Won 7-3 | 1217.0 | League |
| 28.0 | Chelmsford Chieftains | Away | Won 3-2 | 474.0 | Premier Cup |
Question:
What is the average attendance when the opponent is telford tigers?
Answer:
1217.0