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

Answer: 3


Question: Sentence: 'a picture of a toilet and toilet paper in a bathroom'. Find frequency of the letter 'o'

Answer: 5


Question: Sentence: 'the pizza has olives, pepperoni, and green onions on top'. Find frequency of the letter 'i'

Answer:
4