SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function avg (children 1)
     ExpressionList (children 1)
      Literal Int64_-8000000000000000000
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 2)
           Asterisk
           Literal UInt64_1 (alias k)
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function numbers (children 1)
              ExpressionList (children 1)
               Function multiply (children 1)
                ExpressionList (children 2)
                 Literal UInt64_65535
                 Literal UInt64_2
   ExpressionList (children 1)
    Identifier k