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 dilapidated bench in a park under a tree'. Find frequency of the letter 'p'

Answer: 2

Question: Sentence: 'a group of men standing around a table cutting a cake'. Find frequency of the letter 'g'

Answer: 3

Question: Sentence: 'a couple of planes parked in the driveway of a home'. Find frequency of the letter 'l'

Answer:
2