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 |
| Bryncoch RFC | 22 | 21 | 0 | 1 | 743 | 403 | 106 | 58 | 13 | 0 | 93 1 |
| Ystalyfera RFC | 22 | 15 | 0 | 7 | 563 | 379 | 67 | 47 | 5 | 4 | 69 |
| Taibach RFC | 22 | 14 | 1 | 7 | 514 | 340 | 75 | 42 | 8 | 2 | 68 |
| Glyncorrwg RFC | 22 | 13 | 1 | 8 | 468 | 311 | 61 | 38 | 5 | 6 | 65 |
| Resolven RFC | 22 | 12 | 0 | 10 | 460 | 439 | 61 | 62 | 7 | 6 | 61 |
| Pontycymmer RFC | 22 | 10 | 0 | 12 | 384 | 405 | 52 | 49 | 5 | 5 | 50 |
| Aberavon Green Stars RFC | 22 | 10 | 0 | 12 | 342 | 598 | 49 | 85 | 5 | 3 | 48 |
| Ystradgynlais RFC | 22 | 9 | 0 | 13 | 366 | 451 | 44 | 59 | 4 | 3 | 43 |
| Porthcawl RFC | 22 | 7 | 1 | 14 | 490 | 517 | 64 | 72 | 6 | 6 | 42 |
| Vardre RFC | 22 | 8 | 1 | 13 | 343 | 381 | 44 | 46 | 1 | 6 | 41 |
| Neath Athletic RFC | 22 | 7 | 0 | 15 | 352 | 521 | 48 | 75 | 5 | 8 | 41 |
| Birchgrove RFC | 22 | 4 | 0 | 18 | 286 | 566 | 38 | 76 | 1 | 4 | 21 |
Question:
what was the extra score when the overall score was 52
Answer:
5.0