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

Q: Sentence: 'a plane with stairs next to it sitting in a large lot'. Find frequency of the letter 'i'

A: 6
****
Q: Sentence: 'a couple of men standing inside of a liquor store'. Find frequency of the letter 'p'

A: 1
****
Q: Sentence: 'young woman standing and playing a video game'. Find frequency of the letter 'g'

A:
4
****