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

Sentence: 'one woman holding a video game controller and standing next to another woman'. Find frequency of the letter 't'
5

Sentence: 'a cooked pizza on a silver platter with another in the background'. Find frequency of the letter 'e'
5

Sentence: 'a cat laying outside a basement window looking in'. Find frequency of the letter 'a'

5