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 |
| Aberavon Green Stars RFC | 20 | 1 | 0 | 708 | 149 | 107 | 17 | 13 |
| Porthcawl RFC | 20 | 2 | 2 | 475 | 243 | 69 | 30 | 9 |
| Cefn Cribwr RFC | 20 | 0 | 5 | 524 | 290 | 76 | 35 | 9 |
| Pyle RFC | 20 | 2 | 7 | 449 | 298 | 64 | 43 | 5 |
| Bridgend Sports RFC | 20 | 1 | 9 | 470 | 359 | 57 | 50 | 6 |
| Baglan RFC | 20 | 2 | 10 | 363 | 370 | 45 | 52 | 5 |
| Cwmgwrach RFC | 19 | 0 | 10 | 300 | 333 | 41 | 44 | 5 |
| South Wales Police RFC | 20 | 2 | 14 | 294 | 658 | 41 | 100 | 3 |
| Blaengarw RFC | 19 | 1 | 14 | 173 | 375 | 24 | 53 | 0 |
| Rhigos RFC | 20 | 0 | 16 | 177 | 478 | 23 | 69 | 0 |
| Crynant RFC | 20 | 1 | 16 | 219 | 599 | 32 | 86 | 1 |
| Correct as of 18:13 13 May 2008 | Correct as of 18:13 13 May 2008 | Correct as of 18:13 13 May 2008 | Correct as of 18:13 13 May 2008 | Correct as of 18:13 13 May 2008 | Correct as of 18:13 13 May 2008 | Correct as of 18:13 13 May 2008 | Correct as of 18:13 13 May 2008 | Correct as of 18:13 13 May 2008 |
Question:
What is the tries against when the points are 475?
Answer:
30.0