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: 'guy leans on truck's hood while taking pics next to parked motorcycles'. Find frequency of the letter 's'

Answer: 4

Question: Sentence: 'a man standing in front of a statue near a metal pole'. Find frequency of the letter 'f'

Answer: 2

Question: Sentence: 'a book with a picture of a dog having a dog paw placed on it'. Find frequency of the letter 'h'

Answer:
2