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

[Q]: Sentence: 'a bus is stopped in front of a graphic statue'. Find frequency of the letter 'e'
[A]: 2


[Q]: Sentence: 'a man standing in front of a statue near a metal pole'. Find frequency of the letter 'f'
[A]: 2


[Q]: Sentence: 'a man holding a frisbee high into the air'. Find frequency of the letter 'a'
[A]:
4