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 social occasion of people are uncovered before the open day'. Find frequency of the letter 'c'

Answer: 4

Question: Sentence: 'a bus is stopped in front of a graphic statue'. Find frequency of the letter 'e'

Answer: 2

Question: Sentence: 'a group of young people preparing to go skiing'. Find frequency of the letter 'k'

Answer:
1