instruction: Given this paragraph about the tour de france, how many riders are in the tour
context: There are usually between 20 and 22 teams, with eight riders in each. All of the stages are timed to the finish; the riders' times are compounded with their previous stage times. The rider with the lowest cumulative finishing times is the leader of the race and wears the yellow jersey. While the general classification garners the most attention, there are other contests held within the Tour: the points classification for the sprinters, the mountains classification for the climbers, young rider classification for riders under the age of 26, and the team classification, based on the first three finishers from each team on each stage. Achieving a stage win also provides prestige, often accomplished by a team's sprint specialist or a rider taking part in a breakaway.
response: The are approximately between 160 and 176 riders start the tour de france. Each team has 8 member riders with between 20 and 22 teams participating.