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 baby calf has a tag on its right ear'. Find frequency of the letter 'n'

Answer: 1


Question: Sentence: 'an old glass vase containing flowers on a glass table'. Find frequency of the letter 'b'

Answer: 1


Question: Sentence: 'two men stand in pajamas playing video games'. Find frequency of the letter 'd'

Answer:
2