SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function atanh (children 1)
       ExpressionList (children 1)
        Literal Float64_0.5
      Function negate (children 1)
       ExpressionList (children 1)
        Function atanh (children 1)
         ExpressionList (children 1)
          Literal Float64_-0.5