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

Q: Sentence: 'a dog on a couch near many pillows'. Find frequency of the letter 'p'

A: 1
****
Q: Sentence: 'one woman holding a video game controller and standing next to another woman'. Find frequency of the letter 't'

A: 5
****
Q: Sentence: 'two people hold up tennis racquets over a net'. Find frequency of the letter 'o'

A:
4
****