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 glass bowl of raw broccoli, a ceramic bowl of raw green chili peppers, and steel bowl of raw daikon'. Find frequency of the letter 'a'

Answer: 9


Question: Sentence: 'a toilet of some sort near a sink of some sort'. Find frequency of the letter 'o'

Answer: 7


Question: Sentence: 'brand new kitchen, with appliances, but not yet used'. Find frequency of the letter 'p'

Answer:
2