SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Subquery (alias four) (children 1)
     SelectWithUnionQuery (children 1)
      ExpressionList (children 1)
       SelectQuery (children 1)
        ExpressionList (children 1)
         Function pow (children 1)
          ExpressionList (children 2)
           Identifier two
           Literal UInt64_2
   ExpressionList (children 3)
    Function pow (children 1)
     ExpressionList (children 2)
      Identifier four
      Literal UInt64_2
    Literal UInt64_2 (alias two)
    Function pow (children 1)
     ExpressionList (children 2)
      Identifier two
      Literal UInt64_2