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 dog on a couch near many pillows'. Find frequency of the letter 'p'

Answer: 1

Question: Sentence: 'a woman is looking at sheep off in a field'. Find frequency of the letter 'm'

Answer: 1

Question: Sentence: 'a plate of broccoli with bread and mushrooms with rice'. Find frequency of the letter 'o'

Answer:
5