complicated transformation, logic needed

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<?xml-stylesheet type="text/xsl" href="prim_year.xslt"?>

<year>

	<team teamID="1818">
		<manager>john adams</manager>
		<month monthID ="september">
			<week number="1" result="5"/>
			<week number="2" result="2"/>
			<week number="3" result="5"/>
			<week number="4" result="2"/>
		</month>
	</team>
	
	<team teamID="1919">
		<manager>jorge camra</manager>
		<month monthID ="september">
			<week number="1" result="4"/>
			<week number="2" result="3"/>
			<week number="3" result="6"/>
			<week number="4" result="1"/>
		</month>
	</team>
	
	<team teamID="2020">
		<manager>jamie loydd</manager>
		<month monthID ="september">
			<week number="1" result="6"/>
			<week number="2" result="2"/>
			<week number="3" result="1"/>
			<week number="4" result="1"/>
		</month>
	</team>
	
</year>