linq - to count the number of occurrence of an element with specific attribute and specific value in xml -

i using linq xml along xpath number of occurrence of element specific attribute , specific value....here xml file... in have extract number of occurrence of element p attribute "hsdpacodecapacity" , value 5....this long file dint post completely......help pls ......i want use linq xml program "

<managedobject class="wbts" version="rn6.0_2.0" distname="plmn-plmn/rnc-3003/wbts-2743" id="214999014">   <defaults name="system"/>   <p name="dlcecapacity">0</p>   <p name="hsdpacodecapacity">5</p>   <p name="ulcecapacity">0</p>   <p name="bburruflag">0</p>   <p name="name">whalanoo</p>   <p name="nbrrepeater">0</p>   <p name="numfa">1</p>   <p name="type">3</p>   <p name="btsadditionalinfo">150.78892:-33.76300</p>   <p name="btsipaddress">10.212.19.121</p>   <p name="btssupportforhspacm">1</p>   <p name="cocoid">2743</p>   <p name="dcnlinkstatus">1</p>   <p name="dcnsecuritystatus">0</p>   <p name="dlorlaveragingwindowsize">0</p>   <p name="dscphigh">46</p>   <p name="dscplow">0</p>   <p name="dscpmeddch">34</p>   <p name="dedimeasrepperiodcsdata">3</p>   <p name="dedimeasrepperiodpsdata">1</p>   <p name="dedicatedmeasreportperiod">5</p>   <p name="delaythresholdmax">10000</p>   <p name="delaythresholdmax2mstti">10000</p>   <p name="delaythresholdmid">7000</p>   <p name="delaythresholdmid2mstti">7000</p>   <p name="delaythresholdmin">5000</p>   <p name="delaythresholdmin2mstti">5000</p>   <p name="harqrvconfiguration">1</p>   <p name="hsdpa14mbpsperuser">1</p>   <p name="hsdpaccenabled">1</p>   <p name="hsdpaulctodscp">34</p>   <p name="hsupadlctodscp">34</p>   <p name="hsupaxusersenabled">60</p>   <p name="ipbasedrouteidiub">0</p>   <p name="ipbasedrouteidiub2">0</p>   <p name="ipnbid">0</p>   <p name="intelligentsdprioho">0</p>   <p name="iubtransportmedia">0</p>   <p name="loadcontrolperiodps">4</p>   <p name="maxnumberedchlcg">80</p>   <p name="measfiltcoeff">4</p>   <p name="minudpportiub">1026</p>   <p name="nbapcommmode">0</p>   <p name="neswversion">wn7.0_1.0</p>   <p name="netype">3</p>   <p name="nbrofoverbookedhsdpausers">3</p>   <p name="pdusize656withhsdsch">2</p>   <p name="psaveragingwindowsize">5</p>   <p name="psrlaveragingwindowsize">0</p>   <p name="probabilityfactormax">1000</p>   <p name="probabilityfactormax2mstti">1000</p>   <p name="prxalpha">40</p>   <p name="prxmeasavewindow">20</p>   <p name="prxtargetpsadjustperiod">10</p>   <p name="ptxalpha">20</p>   <p name="ptxdpchmax">-30</p>   <p name="ptxdpchmin">-30</p>   <p name="ptxmeasavewindow">20</p>   <p name="rachloadindicationperiod">1</p>   <p name="rrindperiod">20</p>   <p name="rrmuldchactivityfactorcsamr">50</p>   <p name="rrmuldchactivityfactorcsntdata">95</p>   <p name="rrmuldchactivityfactorcstdata">100</p>   <p name="rrmuldchactivityfactorpsbackgr">60</p>   <p name="rrmuldchactivityfactorpsstream">95</p>   <p name="rrmuldchactivityfactorpsthp1">60</p>   <p name="rrmuldchactivityfactorpsthp2">60</p>   <p name="rrmuldchactivityfactorpsthp3">60</p>   <p name="rrmuldchactivityfactorsrb">1</p>   <p name="releasetimerforsharedhsdpaallocation">3</p>   <p name="schedulingperiod">200</p>   <p name="sharedhsdpavccselectionmethod">0</p>   <p name="sharedhsdpaallocation">25</p>   <p name="toaweoffsetnrtdchip">5</p>   <p name="toaweoffsetrtdchip">0</p>   <p name="toawsoffsetnrtdchip">10</p>   <p name="toawsoffsetrtdchip">10</p>   <p name="wbtschangeorigin">2</p>   <p name="wbtsname">whalanoo</p>   <p name="winacrabsetupdl">5</p>   <p name="winacrabsetupul">5</p>   <p name="winlchsdpa">5</p>   <p name="winlchsupa">5</p> 

here xpath achive this:

count(//p[@name='hsdpacodecapacity'][.='5'])