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 few giraffes standing in a field looking around'. Find frequency of the letter 'e'

Answer: 3


Question: Sentence: 'three men are in a kitchen cooking and cutting through a dish'. Find frequency of the letter 'a'

Answer: 4


Question: Sentence: 'an elephant on a grassy field during the day'. Find frequency of the letter 'o'

Answer:
1