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 little dog on a table while a dog groomer cuts its fur'. Find frequency of the letter 'r'

Answer: 3


Question: Sentence: 'city two way street with cars lined up on both sides'. Find frequency of the letter 'h'

Answer: 2


Question: Sentence: 'a nice room with two windows, black and brown furniture and a white table'. Find frequency of the letter 'h'

Answer:
2