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 is a sandwich with a lot of meat cut in half'. Find frequency of the letter 'a'

Answer: 5


Question: Sentence: 'a dog sitting in the back of a truck flat bed'. Find frequency of the letter 'h'

Answer: 1


Question: Sentence: 'a person sitting on top of a white and purple boat in water'. Find frequency of the letter 'g'

Answer:
1