[['year', 'date', 'driver', 'team', 'manufacturer', 'laps', '-', 'race time', 'average speed (mph)'], ['1983', 'september 4', 'neil bonnett', 'butch mock', 'pontiac', '183', '249.978 (402.3)', '1:54:14', '131.299'], ['1984', 'september 1', 'ron bouchard', 'race hill farm team', 'pontiac', '147', '200.802 (323.159)', '1:50:25', '109.115'], ['1985', 'august 31', 'darrell waltrip', 'darwal , inc', 'chevrolet', '147', '200.802 (323.159)', '1:43:20', '116.595'], ['1986', 'september 1', 'dale earnhardt', 'dale earnhardt , inc', 'pontiac', '147', '200.802 (323.159)', '2:06:02', '95.468'], ['1987', 'september 5', 'harry gant', 'whitaker racing', 'buick', '147', '200.802 (323.159)', '1:56:45', '103.196'], ['1988', 'september 3', 'harry gant', 'whitaker racing', 'buick', '147', '200.802 (323.159)', '1:28:35', '136.009'], ['1989', 'september 2', 'harry gant', 'whitaker racing', 'buick', '147', '200.802 (323.159)', '1:41:06', '119.17'], ['1990', 'september 1', 'dale jarrett', 'horace isenhower', 'pontiac', '147', '200.802 (323.159)', '1:28:22', '136.342'], ['1991', 'august 31', 'dale earnhardt', 'dale earnhardt , inc', 'chevrolet', '147', '200.802 (323.159)', '1:29:49', '134.141'], ['1992', 'september 5', 'michael waltrip', 'bahari racing', 'pontiac', '147', '200.802 (323.159)', '1:27:13', '138.14'], ['1993', 'september 4', 'mark martin', 'roush racing', 'ford', '147', '200.802 (323.159)', '1:42:25', '117.638'], ['1994', 'september 3', 'mark martin', 'roush racing', 'ford', '111', '151.626 (244.018)', '1:12:53', '124.824'], ['1995', 'september 2', 'mark martin', 'roush racing', 'ford', '147', '200.802 (323.159)', '1:44:36', '115.183'], ['1996', 'august 31', 'terry labonte', 'labonte motorsports', 'chevrolet', '147', '200.802 (323.159)', '1:33:47', '128.468'], ['1997', 'august 30', 'jeff burton', 'roush racing', 'ford', '147', '200.802 (323.159)', '1:42:02', '118.08'], ['1998', 'september 5', 'dick trickle', 'shoemaker racing', 'chevrolet', '147', '200.802 (323.159)', '1:37:46', '123.233'], ['1999', 'september 4', 'mark martin', 'roush racing', 'ford', '147', '200.802 (323.159)', '1:31:07', '132.227'], ['2000', 'september 2', 'mark martin', 'roush racing', 'ford', '147', '200.802 (323.159)', '1:41:55', '118.215'], ['2001', 'september 1', 'jeff burton', 'roush racing', 'ford', '147', '200.802 (323.159)', '1:57:34', '102.479'], ['2002', 'august 31', 'jeff burton', 'roush racing', 'ford', '74', '101.084 (162.678)', '1:05:33', '92.525'], ['2003', 'august 30', 'brian vickers', 'hendrick motorsports', 'chevrolet', '147', '200.802 (323.159)', '1:45:00', '114.744']]
the Average of the Average Speed between the slowest Race and the fastest Race is 99.9965 mph
the [ENT] of the [ENT] between the slowest [ENT] and the fastest [ENT] is 99.9965 mph