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 small boat and a large boat on a river near a city'. Find frequency of the letter 'a'

Answer: 10


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

Answer: 1


Question: Sentence: 'a shirtless man in the woods with a frisbee in his hand'. Find frequency of the letter 'h'

Answer:
5