<result>
  <item_tuple>
    <itemno>1001</itemno>
    <description>Red Bicycle</description>
    <high_bid>55.0</high_bid>
  </item_tuple>
  <item_tuple>
    <itemno>1003</itemno>
    <description>Old Bicycle</description>
    <high_bid>20.0</high_bid>
  </item_tuple>
  <item_tuple>
    <itemno>1007</itemno>
    <description>Racing Bicycle</description>
    <high_bid>225.0</high_bid>
  </item_tuple>
  <item_tuple>
    <itemno>1008</itemno>
    <description>Broken Bicycle</description>
    <high_bid></high_bid>
  </item_tuple>
</result>