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 a bicycle'. Find frequency of the letter 'u'

A: 1
****
Q: Sentence: 'a tennis player after hitting a shot back to the other side of the court'. Find frequency of the letter 'n'

A: 3
****
Q: Sentence: 'a green boat on a trailer parked near a barn'. Find frequency of the letter 'b'

A:
2
****