CREATE TABLE table_57560 ("Stations" TEXT, "Place" TEXT, "Managed By" TEXT, "Platforms" FLOAT, "Zone" FLOAT)

Name the average zone for waddon railway station and has more than 2 platforms
SELECT AVG("Zone") FROM table_57560 WHERE "Stations" = 'waddon railway station' AND "Platforms" > '2'
SELECT AVG("Zone") FROM "table_57560" WHERE "Platforms" > '2' AND "Stations" = 'waddon railway station'