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 scene at night; a plane alone on a runway with lit-up city buildings on the horizon'. Find frequency of the letter 'w'

Answer: 2


Question: Sentence: 'a couple of men sitting next to each other under an umbrella'. Find frequency of the letter 'n'

Answer: 5


Question: Sentence: 'a group of people sitting around a sheet cake'. Find frequency of the letter 'e'

Answer:
5