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 | Won | Drawn | Lost | Points for | Points against | Tries for | Tries against | Try bonus | Losing bonus | Points |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Club | Played | Won | Drawn | Lost | Points for | Points against | Tries for | Tries against | Try bonus | Losing bonus | Points |
| Barry RFC | 22 | 21 | 0 | 1 | 811 | 157 | 109 | 16 | 16 | 1 | 101 |
| Senghenydd RFC | 22 | 20 | 1 | 1 | 1013 | 148 | 150 | 19 | 17 | 1 | 100 |
| Blackwood Stars RFC | 22 | 16 | 3 | 3 | 622 | 337 | 94 | 41 | 14 | 0 | 84 |
| Penygraig RFC | 22 | 16 | 0 | 6 | 595 | 296 | 88 | 37 | 13 | 0 | 77 |
| Deri RFC | 22 | 10 | 1 | 11 | 548 | 583 | 80 | 72 | 9 | 0 | 51 |
| Cefn Coed RFC | 22 | 9 | 1 | 12 | 338 | 445 | 45 | 55 | 3 | 4 | 45 |
| Old Penarthians RFC | 22 | 7 | 2 | 13 | 329 | 523 | 35 | 74 | 3 | 3 | 38 |
| Cilfynydd RFC | 22 | 8 | 0 | 14 | 268 | 590 | 32 | 78 | 1 | 2 | 35 |
| St. Albans RFC | 22 | 6 | 0 | 16 | 258 | 739 | 31 | 107 | 1 | 6 | 31 |
| Cowbridge RFC | 22 | 6 | 1 | 15 | 309 | 636 | 36 | 96 | 3 | 1 | 30 |
| Canton RFC | 22 | 4 | 1 | 17 | 305 | 581 | 38 | 84 | 2 | 2 | 22 |
| Dinas Powys RFC | 22 | 3 | 2 | 17 | 224 | 585 | 25 | 84 | 0 | 5 | 21 |
Question:
Name the points aginst when drawn is 1 and points is 51
Answer:
583.0