Ashford’s Elizabeth McNair has a great chance of Arena Racing Company Kent Plate glory tonight (Saturday) – but she could be overshadowed by a trainer who started her career at Central Park. McNair will have four runners in the six-strong £12,500 Grand Final at the Sittingbourne track – littermates Queen Shakira, King Memphis and King Capaldi are drawn in traps one, four and five. Produce Stakes and British Bred Breeders Forum Derby champion Queen Joni – also from the McNair kennel – will run from trap two. However Maxine Locke, whose career started at Central Park Stadium at the beginning of …