SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Literal \'1960-01-01 00:00:00\' (alias input)
    Function toDateTimeOrNull (alias result) (children 1)
     ExpressionList (children 1)
      Literal \'1960-01-01 00:00:00\'
