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

Q: Sentence: 'some cubbies with towels in a blue bathroom'. Find frequency of the letter 'l'

A: 2
****
Q: Sentence: 'a bunch of green bananas is hanging on a tree'. Find frequency of the letter 'n'

A: 7
****
Q: Sentence: 'a catcher stands behind a batter in a ball game'. Find frequency of the letter 'n'

A:
3
****