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:
| Team | P | W | D | L | Tries for | Tries against | Try diff | Points for | Points against | Points diff | Pts |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Northampton Saints | 5.0 | 5.0 | 0.0 | 0.0 | 28.0 | 12.0 | +16 | 207.0 | 88.0 | +119 | 10.0 |
| Toulon | 5.0 | 4.0 | 0.0 | 1.0 | 22.0 | 10.0 | +12 | 164.0 | 102.0 | +62 | 8.0 |
| Orrell | 5.0 | 2.0 | 0.0 | 3.0 | 18.0 | 22.0 | −4 | 122.0 | 173.0 | −51 | 4.0 |
| Connacht | 5.0 | 2.0 | 0.0 | 3.0 | 9.0 | 17.0 | −8 | 94.0 | 131.0 | −37 | 4.0 |
| Dunvant | 5.0 | 1.0 | 0.0 | 4.0 | 15.0 | 22.0 | −7 | 106.0 | 169.0 | −63 | 2.0 |
| Petrarca | 5.0 | 1.0 | 0.0 | 4.0 | 10.0 | 19.0 | −9 | 118.0 | 148.0 | −30 | 2.0 |
Question:
Name the least tries for when w is 4
Answer:
22.0