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: 'an old boat on a beach near a large body of water'. Find frequency of the letter 'a'

Answer: 8

Question: Sentence: 'a person on a sidewalk jumping with an umbrella'. Find frequency of the letter 'a'

Answer: 5

Question: Sentence: 'a stage set shows a hogwarts style bedroom set'. Find frequency of the letter 'e'

Answer:
5