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

[EX Q]: Sentence: 'hand holding a white calculator inside a store'. Find frequency of the letter 'o'
[EX A]: 3

[EX Q]: Sentence: 'a snow filled mountain with a guy with ski's'. Find frequency of the letter 'f'
[EX A]: 1

[EX Q]: Sentence: 'a park bench sits near the grass under a large tree'. Find frequency of the letter 'c'
[EX A]:
1