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 |
| Gwernyfed RFC | 20 | 0 | 2 | 536 | 183 | 73 | 22 | 11 | 1 | 84 |
| Abertillery/Blaenau Gwent RFC | 20 | 1 | 4 | 423 | 208 | 55 | 24 | 5 | 3 | 70 |
| Nantyglo RFC | 20 | 1 | 5 | 370 | 213 | 51 | 27 | 6 | 3 | 67 |
| Llandaff RFC | 20 | 0 | 8 | 382 | 288 | 54 | 41 | 6 | 3 | 57 |
| Rhiwbina RFC | 20 | 0 | 9 | 372 | 317 | 51 | 41 | 6 | 6 | 56 |
| Risca RFC | 20 | 0 | 10 | 386 | 271 | 53 | 37 | 6 | 8 | 54 |
| Tredegar Ironsides RFC | 20 | 1 | 11 | 278 | 314 | 32 | 37 | 2 | 7 | 43 |
| Brynithel RFC | 20 | 1 | 12 | 206 | 454 | 22 | 65 | 0 | 2 | 32 |
| Monmouth RFC | 20 | 0 | 14 | 220 | 402 | 27 | 55 | 2 | 3 | 29 |
| Machen RFC | 20 | 1 | 16 | 259 | 552 | 38 | 76 | 4 | 5 | 23 |
| Abercarn RFC | 20 | 1 | 16 | 177 | 407 | 23 | 54 | 1 | 4 | 19 |
| Talywain RFC * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Correct as of 2008-06-01 | Correct as of 2008-06-01 | Correct as of 2008-06-01 | Correct as of 2008-06-01 | Correct as of 2008-06-01 | Correct as of 2008-06-01 | Correct as of 2008-06-01 | Correct as of 2008-06-01 | Correct as of 2008-06-01 | Correct as of 2008-06-01 | Correct as of 2008-06-01 |
Question:
What's the try bonus that had 423 points?
Answer:
5.0