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: 'an elephant with broken tusks stands in front of a hill and boulders'. Find frequency of the letter 'n'

Answer: 7


Question: Sentence: 'a baby calf has a tag on its right ear'. Find frequency of the letter 'n'

Answer: 1


Question: Sentence: 'acrobatic cat in precarious position after knocking over it's scratching post and house'. Find frequency of the letter 'i'

Answer:
8