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 | Tries for | Tries against | Try diff | Points for | Points against | Points diff |
| --- | --- | --- | --- | --- | --- | --- |
| Agen | 20 | 9 | +11 | 156 | 82 | +74 |
| Montferrand | 30 | 8 | +22 | 211 | 74 | +137 |
| Sale Sharks | 18 | 14 | +4 | 166 | 115 | +51 |
| Newport | 14 | 19 | −15 | 98 | 158 | −60 |
| Glasgow | 15 | 30 | −15 | 113 | 202 | −89 |
| Newbridge | 16 | 33 | −17 | 106 | 219 | −113 |
| Source : www.ercrugby.com | Source : www.ercrugby.com | Source : www.ercrugby.com | Source : www.ercrugby.com | Source : www.ercrugby.com | Source : www.ercrugby.com | Source : www.ercrugby.com |
Question:
What is Tries Against, when Tries For is 20?
Answer:
9.0