The coach of a college basketball team categorizes the number of points
scored by the team in each game, with the categories being 51-57, 58 - 64,
65-71, and 72 or more. If the following data represent the numbers of
points scored in the last 10 games, how many games were in the 51 - 57
category?

51, 70, 63, 59, 56, 75, 60, 55, 67, 64

A. 2
B. 4
C. 1
D. 3