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 | Points difference | Points |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Club | Played | Won | Drawn | Lost | Points for | Points against | Points difference | Points |
| Neath RFC | 30 | 28 | 0 | 2 | 1070 | 421 | +649 | 84 |
| Bridgend Ravens | 30 | 23 | 0 | 7 | 709 | 587 | +122 | 69 |
| Pontypridd RFC | 30 | 21 | 0 | 9 | 788 | 560 | +228 | 63 |
| Aberavon RFC | 30 | 19 | 0 | 11 | 748 | 596 | +152 | 57 |
| Newport RFC | 30 | 19 | 0 | 11 | 623 | 610 | +13 | 57 |
| Llanelli RFC | 30 | 18 | 0 | 12 | 589 | 599 | -10 | 54 |
| Swansea RFC | 30 | 16 | 1 | 14 | 849 | 713 | +136 | 48 |
| Bedwas RFC | 30 | 12 | 2 | 16 | 562 | 702 | -140 | 38 |
| Cross Keys RFC | 30 | 12 | 2 | 18 | 513 | 608 | -95 | 36 |
| Cardiff RFC | 30 | 11 | 1 | 19 | 646 | 726 | -80 | 33 |
| Glamorgan Wanderers RFC | 30 | 10 | 2 | 18 | 607 | 738 | -131 | 32 |
| Ebbw Vale RFC | 30 | 10 | 1 | 19 | 583 | 686 | -103 | 31 |
| Llandovery RFC | 30 | 10 | 0 | 20 | 597 | 692 | -95 | 30 |
| Maesteg RFC | 30 | 9 | 1 | 20 | 573 | 785 | -212 | 28 |
| Carmarthen Quins RFC | 30 | 9 | 1 | 20 | 546 | 821 | -275 | 28 |
| Pontypool RFC | 30 | 8 | 3 | 19 | 473 | 632 | -159 | 27 |
Question:
What clubs had 608 points against?
Answer:
Cross Keys RFC