user: Question: How many races did Cale Yarborough win at an average speed of 88.924 mph?
Columns: ['Year', 'Date', 'Driver', 'Team', 'Manufacturer', 'Laps', 'Miles (km)', 'Race Time', 'Average Speed (mph)', 'Report']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1958.0, 'August 10', 'Joe Weatherly', 'Holman-Moody', 'Ford', '200', '100 (160.934)', '1:41:14', '59.269', 'Report']
SQL:

assistant: SELECT COUNT("Race Time") FROM "Table" WHERE "Driver" = 'Cale Yarborough' AND "Average Speed (mph)" = '88.924';