In this task, you need to count the number of times the given letter appears in the given sentence.

Q: Sentence: 'a man flying through the air on top of a skateboard'. Find frequency of the letter 'r'

A: 3
****
Q: Sentence: 'a group of people standing around a table filled with assorted electronic devices'. Find frequency of the letter 'w'

A: 1
****
Q: Sentence: 'this is a professional game of baseball and the white sox are playing'. Find frequency of the letter 'l'

A:
4
****