"1927Z"^^ . "1951-07-29Z"^^ . "0"^^ . "Mackey, Bill"@en . "Bill Mackey"@en . "Bill Mackey (December 15, 1927 Dayton, Ohio \u2013 July 29, 1951 Winchester, Indiana) was an American racecar driver. His name at birth was William Gretsinger, Jr. He was killed in a sprint car crash at Winchester Speedway."@en . . "1927-12-15Z"^^ . . "0"^^ . "American racing driver" . "1951Z"^^ . "0"^^ . . "0"^^ . "1"^^ . "0"^^ .