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 downhill skier with snow plumes behind them'. Find frequency of the letter 'i'

Answer: 4

Question: Sentence: 'a train station with a train pulling into the platform'. Find frequency of the letter 'i'

Answer: 6

Question: Sentence: 'a cat with an intent look lying on a table with cloth'. Find frequency of the letter 'l'

Answer:
4