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

[Q]: Sentence: 'the skateboarder is jumping over a huge statue of a shoe'. Find frequency of the letter 'i'
[A]: 2


[Q]: Sentence: 'a person holding onto a pink kite at the beach'. Find frequency of the letter 'n'
[A]: 4


[Q]: Sentence: 'a woman standing next to a man in a suit and tie'. Find frequency of the letter 'x'
[A]:
1