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: 'group of cars on the road with the sun setting behind it'. Find frequency of the letter 'd'

Answer: 2

Question: Sentence: 'a double decker transit bus parks by a blue on the side of the street in front of a brick building in the city'. Find frequency of the letter 't'

Answer: 9

Question: Sentence: 'a kitchen that is clean and ready for someone to cook in'. Find frequency of the letter 'e'

Answer:
5