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: 'a group of cows that are standing in the grass'. Find frequency of the letter 'g'

Answer: 3


Question: Sentence: 'the skateboarder is jumping over a huge statue of a shoe'. Find frequency of the letter 'i'

Answer: 2


Question: Sentence: 'a room that has a bed with bed covers lifted'. Find frequency of the letter 'e'

Answer:
4