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 man holding a brown paper bag kite'. Find frequency of the letter 'b'

Answer: 2


Question: Sentence: 'a man pushing a cart full of bananas'. Find frequency of the letter 'u'

Answer: 2


Question: Sentence: 'a car is driving down a street toward some clouds'. Find frequency of the letter 'l'

Answer:
1