SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Function count (children 1)
     ExpressionList
    Function sum (children 1)
     ExpressionList (children 1)
      Identifier number
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function file (children 1)
       ExpressionList (children 1)
        Literal \'02892.orc\'
   Function indexHint (children 1)
    ExpressionList (children 1)
     Function and (children 1)
      ExpressionList (children 2)
       Function greaterOrEquals (children 1)
        ExpressionList (children 2)
         Identifier dt64_ns
         Literal \'2000-01-01\'
       Function lessOrEquals (children 1)
        ExpressionList (children 2)
         Identifier dt64_ns
         Literal \'2005-01-01\'
