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: 'two elephants walking on cement next to wall'. Find frequency of the letter 'n'

Answer: 5


Question: Sentence: 'the child is waving a small flag as she stands near two women'. Find frequency of the letter 'g'

Answer: 2


Question: Sentence: 'a young boy playing the drums for a video game'. Find frequency of the letter 'i'

Answer:
2