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: 'decorated baseball cake in a clear plastic box'. Find frequency of the letter 'k'

Answer: 1

Question: Sentence: 'large grassy pasture filled with trees and a single horse'. Find frequency of the letter 'l'

Answer: 4

Question: Sentence: 'an elephant is pulling on a large cart'. Find frequency of the letter 'g'

Answer:
2