Jean-Pierre Dubois's homebred 3-year-old filly Sparkling Plenty (Fr) (Kingman {GB}--Speralita {Fr}, by Frankel {GB}), unsuccessful in three black-type outings this term, added to her victory in last season's Listed Prix Delahante with a power-packed display--coming from last to first and outclassing five rivals--in Sunday's G2 Prix de Sandringham at Chantilly. Sparkling Plenty, the well-backed 21-10 favourite coming back off a sixth in last month's G1 Poule d'Essai des Pouliches, was under a firm hold and anchored at the tail of the field through halfway in this one-mile distaffers' test. Nudged...