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: 'a snow filled mountain with a guy with ski's'. Find frequency of the letter 'f'

Answer: 1


Question: Sentence: 'a black and white photo of a vintage train traveling down the tracks'. Find frequency of the letter 'v'

Answer:
2