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 surfer is in the middle of an ocean wave'. Find frequency of the letter 'i'

Answer: 3


Question: Sentence: 'a baby elephant walks beside an adult elephant along a post and cable'. Find frequency of the letter 'l'

Answer: 6


Question: Sentence: 'a white bowl filled with peeled orange slices'. Find frequency of the letter 's'

Answer:
2