xmla nd xquery

i have xml file

 
xml version="1.0" encoding="utf-8" ?>
<Event>
<Events id="1" Venu="Venu1">
<Name>Event1Name>
<Title>Title1Title>

<Date>2010/4/25Date>
Events>
<Events id="2">
<Name>Event2Name>
<Title>Title2Title>
<Date>2010/4/5Date>
Events>
<Events id="3">
<Name>Event3Name>
<Title>Title1Title>
<Date>2010/4/1Date>
Events>
<Events id="4">
<Name>Event3Name>
<Title>Title1Title>
<Date>2010/4/11Date>
Events>
<Events id="5">
<Name>Event3Name>
<Title>Title1Title>
<Date>2010/5/1Date>
Events>
<Events id="5">
<Name>Event3Name>
<Title>Title1Title>
<Date>2010/5/11Date>
Events>
Event>

i need tos elect event for example date in 2006 or 2007 using xquery any help