please help. newbie needs help!!

I need an xpath expression for getting data from this xml, for example what
expression would I use to get the string "THE WATERSHED GROUP, LLC"? Any
help appreciated!!!

EXALMPLE:
<?xml version="1.0"?>
<Workbook
  xmlns="urn:schemas-microsoft-com:office:spreadsheet"
  xmlns:o="urn:schemas-microsoft-com:office:office"
  xmlns:x="urn:schemas-microsoft-com:office:excel"
  xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet"
  xmlns:c="urn:schemas-microsoft-com:office:component:spreadsheet"
  xmlns:html="http://www.w3.org/TR/REC-html40">
  <DocumentProperties
    xmlns="urn:schemas-microsoft-com:office:office">
    <Author>PC Entry</Author>
    <LastAuthor>PC Entry</LastAuthor>
    <Created>2004-05-03T09:02:51Z</Created>
  </DocumentProperties>
  <OfficeDocumentSettings />
  <ExcelWorkbook
    xmlns="urn:schemas-microsoft-com:office:excel">
    <WindowHeight>7815</WindowHeight>
    <WindowWidth>7500</WindowWidth>
    <WindowTopX>360</WindowTopX>
    <WindowTopY>45</WindowTopY>
    <ProtectStructure>False</ProtectStructure>
    <ProtectWindows>False</ProtectWindows>
  </ExcelWorkbook>
  <Styles>
    <Style ss:ID="Default" ss:Name="Normal">
      <Alignment ss:Vertical="Bottom" />
    </Style>
    <Style ss:ID="s21">
      <NumberFormat ss:Format="Short Date" />
    </Style>
    <Style ss:ID="s22">
      <NumberFormat ss:Format="Fixed" />
    </Style>
  </Styles>  <Worksheet ss:Name="Sheet1">
    <Table>
      <Column ss:Index="1" ss:Width="315"/>
      <Column ss:Index="2" ss:Width="153"/>
      <Column ss:Index="3" ss:Width="297"/>
      <Column ss:Index="4" ss:Width="126"/>
      <Column ss:Index="5" ss:Width="126"/>
      <Column ss:Index="6" ss:Width="72"/>
      <Column ss:Index="7" ss:Width="90"/>
      <Column ss:Index="8" ss:Width="108"/>
      <Row ss:Index="1">
        <Cell ss:Index="1" >
          <Data ss:Type="String">111-55555</Data>
        </Cell>
      </Row>
      <Row ss:Index="2">
        <Cell ss:Index="1" >
          <Data ss:Type="String">THE WATERSHED GROUP, LLC</Data>
        </Cell>
      </Row>
      <Row ss:Index="3">
        <Cell ss:Index="1" >
          <Data ss:Type="String">GUS'S WATERSHED</Data>
        </Cell>
      </Row>