[USER (data scientist)]: Finally, could you create a bar chart that illustrates the number of matches played on various surface types? Also, could you clarify my following question: What does the histogram represent, particularly the single peak that seems to denote the dominant group of lower-ranking players?  

A. Symmetrical
B. Bimodal
C. Uniform
D. Skewed
E. None of above

[YOU (AI assistant)]: