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 bedroom with a neatly made bed and a laptop'. Find frequency of the letter 'l'

Answer: 2


Question: Sentence: 'a giraffe shares a habitat with a zebra, an ostrich, and an okapi'. Find frequency of the letter 'e'

Answer: 3


Question: Sentence: 'several images of black computer keyboards stacked together'. Find frequency of the letter 'b'

Answer:
2