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 |
| Bedlinog RFC | 22 | 20 | 1 | 1 | 490 | 190 | 59 | 12 | 7 | 1 | 90 |
| Gilfach Goch RFC | 22 | 15 | 0 | 7 | 420 | 259 | 53 | 28 | 8 | 5 | 73 |
| Llantwit Fardre RFC | 22 | 14 | 1 | 7 | 410 | 287 | 49 | 30 | 7 | 4 | 69 |
| Tylorstown RFC | 22 | 14 | 0 | 8 | 501 | 364 | 57 | 42 | 6 | 2 | 64 |
| Treorchy RFC | 22 | 12 | 0 | 10 | 431 | 403 | 48 | 50 | 3 | 3 | 54 |
| St. Peters RFC | 22 | 11 | 0 | 11 | 299 | 300 | 35 | 32 | 3 | 3 | 50 |
| Old Illtydians RFC | 22 | 10 | 1 | 11 | 385 | 359 | 46 | 40 | 2 | 6 | 50 |
| Brecon RFC | 22 | 9 | 0 | 13 | 358 | 435 | 43 | 59 | 3 | 6 | 45 |
| Penarth RFC | 22 | 8 | 1 | 13 | 341 | 357 | 44 | 43 | 2 | 8 | 44 |
| Fairwater RFC | 22 | 7 | 1 | 14 | 318 | 473 | 42 | 61 | 3 | 3 | 36 |
| Tonyrefail RFC | 22 | 5 | 1 | 16 | 330 | 566 | 41 | 70 | 3 | 5 | 30 |
| Heol y Cyw RFC | 22 | 4 | 0 | 18 | 279 | 569 | 31 | 81 | 1 | 6 | 23 |
Question:
What are the tries against  when points against 287?
Answer:
30.0