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: 'there are two men sitting on a couch playing video games'. Find frequency of the letter 'v'

Answer: 1

Question: Sentence: 'a woman in a messy kitchen with a child'. Find frequency of the letter 'a'

Answer: 4

Question: Sentence: 'there is a close up picture of a giraffe statue'. Find frequency of the letter 's'

Answer:
3