Source XML Tree : https://prod-c2g.s3.amazonaws.com/db/Winter2013/files/courses-noID.xml

List of Courses with enrollment not greater than 60

 <?xml version="1.0" encoding="ISO-8859-1"?>
    <xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
                    
        <xsl:template match=" node() | @* ">            
            <xsl:copy>
                <xsl:apply-templates select="node() | @*" />
            </xsl:copy>
        </xsl:template>     
        
        <xsl:template match="Department/Course[@Enrollment &gt; 60]" />
        <xsl:template match="Department/Course[not(@Enrollment)]" />
        
               
    </xsl:stylesheet>