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 bunch of people are standing out in a field a red one has their arms out as a white ball is in the air'. Find frequency of the letter 'e'

Answer: 9


Question: Sentence: 'a baseball themed birthday cake is on a serving tray'. Find frequency of the letter 'g'

Answer: 1


Question: Sentence: 'someone is skiing high in the sky in the snow'. Find frequency of the letter 's'

Answer:
5