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: 'the skateboarder has on red and black sneakers and is riding a skateboard'. Find frequency of the letter 'g'

Answer: 1


Question: Sentence: 'a black and white cat laying on a seat next to windows'. Find frequency of the letter 'h'

Answer:
1