In this task, you need to count the number of times the given letter appears in the given sentence.
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Question: Sentence: 'the skateboarder is jumping over a huge statue of a shoe'. Find frequency of the letter 'i'

Answer: 2

Question: Sentence: 'three elephants walk up a dirt trail from the water'. Find frequency of the letter 'l'

Answer: 3

Question: Sentence: 'a lonely old grey abandoned boarded up motel'. Find frequency of the letter 'a'

Answer:
4