SELECT t1.nom, t1.ville, COMPTEUR FROM modx_DbCustom_salleConcert t1, ( SELECT nom, ville, COUNT( * ) AS COMPTEUR FROM modx_DbCustom_salleConcert GROUP BY nom HAVING COUNT( * ) >1 )t2 WHERE t1.nom = t2.nom and t1.ville = t2.ville order by t1.nom ASC