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: 'girls posing of a picture one holding a tennis racket the other wearing a crown'. Find frequency of the letter 'g'

Answer: 4

Question: Sentence: 'a little boy reading a book with the covers over his body'. Find frequency of the letter 't'

Answer:
4