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: 'people seated on a table looking very happy'. Find frequency of the letter 'g'

Answer: 1


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

Answer: 1


Question: Sentence: 'two cats sit on a cat post in front of a window'. Find frequency of the letter 'n'

Answer:
4