" EstimatedTotalSubtreeCost="0.000000000">                                   <OutputList>                                     <ColumnReference Column="Expr0000" />                                     <ColumnReference Column="Recr0000" />                                     <ColumnReference Column="Recr0000" />                                     <ColumnReference Column="Recr0000" />                                     <ColumnReference Column="Recr0000" />                                   </OutputList>                                   <Spool