CREATE TABLE table_66338 ("Restaurant Name" TEXT, "Original Name" TEXT, "Location" TEXT, "Chef" TEXT, "Designer" TEXT, "Still Open?" TEXT)

What is the name of the Cobourg, ON restaurant that had Robin de Groot as designer?
SELECT "Restaurant Name" FROM table_66338 WHERE "Designer" = 'robin de groot' AND "Location" = 'cobourg, on'
SELECT "Restaurant Name" FROM "table_66338" WHERE "Designer" = 'robin de groot' AND "Location" = 'cobourg, on'