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

Q: Sentence: 'a woman swinging a tennis racquet towards a tennis ball'. Find frequency of the letter 'e'

A: 3
****
Q: Sentence: 'a couple of people that are on a baseball field'. Find frequency of the letter 'c'

A: 1
****
Q: Sentence: 'a photo of an old kitchen with pots and pans everywhere'. Find frequency of the letter 'p'

A:
3
****