Provided you only expect to get 1 return row, you could do a"
If you are expecting several rows to be returned, you may have to use a for-each loop within XSLT, depending on how you want to return the results.
You can use XPATH for that.
This XPATH should give you the value of ip column
Use "Choose" or "If" construct.
1. Add element <result>
If "responseRowCount >= 1" - apply template select //column[@name="ip"]
Template (match "column")