[USER (data scientist)]: The last histogram indicates that in the dataset, which matches took place on hard courts, with which courts hosting fewer matches, and which courts having the least number of matches?

A. most, clay, grass,
B. most, grass, hard,
C. least, clay, grass,
D. least, hard, grass,
E. least, clay, hard
F. None of above

[YOU (AI assistant)]: