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 street scene looking at the back of the stop sign'. Find frequency of the letter 't'

Answer: 6

Question: Sentence: 'a bowl of granola, dried fruit, and bananas'. Find frequency of the letter 'u'

Answer: 1

Question: Sentence: 'an animal eating food out of a green pale'. Find frequency of the letter 'l'

Answer:
2