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:
| Club | Played | Drawn | Lost | Points for | Points against | Tries for | Tries against | Try bonus |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Club | Played | Drawn | Lost | Points for | Points against | Tries for | Tries against | Try bonus |
| Bryncoch RFC | 22 | 0 | 1 | 743 | 403 | 106 | 58 | 13 |
| Ystalyfera RFC | 22 | 0 | 7 | 563 | 379 | 67 | 47 | 5 |
| Taibach RFC | 22 | 1 | 7 | 514 | 340 | 75 | 42 | 8 |
| Glyncorrwg RFC | 22 | 1 | 8 | 468 | 311 | 61 | 38 | 5 |
| Resolven RFC | 22 | 0 | 10 | 460 | 439 | 61 | 62 | 7 |
| Pontycymmer RFC | 22 | 0 | 12 | 384 | 405 | 52 | 49 | 5 |
| Aberavon Green Stars RFC | 22 | 0 | 12 | 342 | 598 | 49 | 85 | 5 |
| Ystradgynlais RFC | 22 | 0 | 13 | 366 | 451 | 44 | 59 | 4 |
| Porthcawl RFC | 22 | 1 | 14 | 490 | 517 | 64 | 72 | 6 |
| Vardre RFC | 22 | 1 | 13 | 343 | 381 | 44 | 46 | 1 |
| Neath Athletic RFC | 22 | 0 | 15 | 352 | 521 | 48 | 75 | 5 |
| Birchgrove RFC | 22 | 0 | 18 | 286 | 566 | 38 | 76 | 1 |
| Correct as of 08:50 10 May 2009 | Correct as of 08:50 10 May 2009 | Correct as of 08:50 10 May 2009 | Correct as of 08:50 10 May 2009 | Correct as of 08:50 10 May 2009 | Correct as of 08:50 10 May 2009 | Correct as of 08:50 10 May 2009 | Correct as of 08:50 10 May 2009 | Correct as of 08:50 10 May 2009 |
Question:
What shows for Try bonus when the points against are 451?
Answer:
4.0