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 doll with huge eyes and black hair with blunt bangs holds a red umbrella'. Find frequency of the letter 'e'

Answer: 5


Question: Sentence: 'eight donuts are cooked together in oil in a metal tray'. Find frequency of the letter 'h'

Answer: 2


Question: Sentence: 'two people on a beach, surrounded by several kites in the sky'. Find frequency of the letter 'k'

Answer:
2