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

Q: Sentence: 'a small doughnut held in a persons hand'. Find frequency of the letter 'n'

A: 4
****
Q: Sentence: 'large grassy pasture filled with trees and a single horse'. Find frequency of the letter 'l'

A: 4
****
Q: Sentence: 'a plate of fruit with bananas oranges and other fruits'. Find frequency of the letter 'a'

A:
7
****