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

Q: Sentence: 'a crowd of fans watch soccer players from stadium seating'. Find frequency of the letter 'f'

A: 3
****
Q: Sentence: 'a sailboat is floating near the rocky shore of a beach'. Find frequency of the letter 'o'

A: 5
****
Q: Sentence: 'a large group of giraffes walking around an enclosure'. Find frequency of the letter 'n'

A:
4
****