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

Q: Sentence: 'the sun goes down over a bike tied to a bench at the beach'. Find frequency of the letter 't'

A: 5
****
Q: Sentence: 'a dilapidated bench in a park under a tree'. Find frequency of the letter 'p'

A: 2
****
Q: Sentence: 'the large pizza has potato slices and parmesan cheese on it'. Find frequency of the letter 's'

A:
5
****