In a survey of 251 professional athletes, it was found that 139 of them owned a convertible, 124 of them owned a giant screen TV, and 105 owned a sporting goods store. 23 owned a convertible and a store, 51 owned a TV and a store, and 70 owned a covertible and a TV. 11 owned all three items. How many owned a TV or a store, but not a convertible