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: 'three birds are sitting on a tree in a forest'. Find frequency of the letter 'h'

Answer: 1


Question: Sentence: 'old double decker bus parked in a lot'. Find frequency of the letter 't'

Answer: 1


Question: Sentence: 'a chef in a white chef coat leaning on a table with three white bowls'. Find frequency of the letter 'e'

Answer:
8