Given this table of races and dates, how many races took place after July? Give the answer as a number.

Round	Circuit	Date
1	United States Circuit of the Americas, Elroy, Texas	2–3 March
2	United States Virginia International Raceway, Alton, Virginia	27–28 April
3	Canada Canadian Tire Motorsport Park, Bowmanville, Ontario	18–19 May
4	United States Sonoma Raceway, Sonoma, California	8–9 June
5	United States Watkins Glen International, Watkins Glen, New York	31 August–1 September
6	United States Road America, Elkhart Lake, Wisconsin	21–22 September
7	United States Las Vegas Motor Speedway, Las Vegas, Nevada	19–20 October

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