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

Sentence: 'a woman fully dressed as a geisha'. Find frequency of the letter 'm'
1

Sentence: 'a man is taking a picture of a man and woman'. Find frequency of the letter 'a'
8

Sentence: 'wooden and black bench on the side of the road'. Find frequency of the letter 'a'

3

