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: 'the street sign is next to a curved road'. Find frequency of the letter 's'

Answer: 3


Question: Sentence: 'a bowl of granola with raspberries and honey on top with a spoon'. Find frequency of the letter 'w'

Answer: 3


Question: Sentence: 'a couple of men riding motorcycles down a street'. Find frequency of the letter 'o'

Answer:
5