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 very big nice looking living room with nice furnishings'. Find frequency of the letter 'e'

Answer: 3


Question: Sentence: 'two metal  benches on an empty train platform'. Find frequency of the letter 'n'

Answer: 4


Question: Sentence: 'the large crowd came to watch the baseball game'. Find frequency of the letter 'g'

Answer:
2