Query failed => SELECT FLOOR( COUNT( * ) /3 ) AS NbMatch FROM Rencontre r, Saison s, Division d, Competition co
WHERE s.ID_Saison =50
AND (EquipeDomicile =1999 OR EquipeExterieur =1999)
AND (DateRencontre BETWEEN Deb_Saison AND Fin_Saison)
AND r.ID_Division=d.ID_Division
AND d.ID_Competition=co.ID_Competition
AND co.ID_Competition=834