Hi , I need your help to set filter between min and max value.

Hi , I need your help to set filter between min and max value. example : want to print value between range ( value >-2 and value < 5 ) I have created two dropdown box create two filter FILTER score > "$minwbrs_score$" FILTER score < "$maxwbrs_score$" ---> issue here i am facing issue in xml parsing for operator < (less than) This is Error : XML Syntax Error: StartTag: invalid element name,