SQL-Abfragefehler:„rechte Klammer fehlt fehlt“

Versuchen Sie dies, aber nicht getestet

select * from hospital where hospitalid =
 (select hospitalid from doctor group by hospitalid having count ( doctorid ) =
  (select max ( doctoramt ) from
      (select count (doctorid) as doctoramt from doctor group by hospitalid) as tbltemp)));