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 | Losing bonus | Points |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Club | Played | Drawn | Lost | Points for | Points against | Tries for | Tries against | Try bonus | Losing bonus | Points |
| Crumlin RFC | 20 | 0 | 5 | 593 | 206 | 86 | 24 | 10 | 3 | 73 |
| Chepstow RFC | 20 | 1 | 4 | 504 | 171 | 80 | 21 | 8 | 2 | 72 |
| Caldicot RFC | 20 | 1 | 5 | 414 | 216 | 63 | 27 | 8 | 2 | 68 |
| Blaenavon RFC | 20 | 0 | 6 | 417 | 217 | 54 | 26 | 4 | 3 | 63 |
| Trinant RFC | 20 | 0 | 6 | 394 | 219 | 47 | 29 | 3 | 3 | 62 |
| Bettws RFC | 20 | 0 | 7 | 370 | 285 | 48 | 34 | 6 | 3 | 61 |
| Usk RFC | 20 | 0 | 11 | 401 | 363 | 61 | 51 | 7 | 3 | 46 |
| Llanhilleth RFC | 20 | 1 | 13 | 257 | 411 | 32 | 61 | 1 | 5 | 32 |
| Ynysddu RFC | 19 | 0 | 15 | 179 | 396 | 24 | 56 | 3 | 4 | 23 |
| RTB (Ebbw Vale) RFC | 20 | 2 | 17 | 82 | 671 | 10 | 104 | 0 | 1 | 9 |
| Oakdale RFC | 19 | 1 | 17 | 105 | 561 | 11 | 84 | 0 | 2 | 8 |
| Correct as of 00:00 11 June 2008 | Correct as of 00:00 11 June 2008 | Correct as of 00:00 11 June 2008 | Correct as of 00:00 11 June 2008 | Correct as of 00:00 11 June 2008 | Correct as of 00:00 11 June 2008 | Correct as of 00:00 11 June 2008 | Correct as of 00:00 11 June 2008 | Correct as of 00:00 11 June 2008 | Correct as of 00:00 11 June 2008 | Correct as of 00:00 11 June 2008 |
Question:
What is Lost, when Points For is "257"?
Answer:
13.0