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 lady mixes some things in a blender as people look on'. Find frequency of the letter 'i'

Answer: 3

Question: Sentence: 'a street scene looking at the back of the stop sign'. Find frequency of the letter 't'

Answer: 6

Question: Sentence: 'a big elephant gets sprayed by a woman with a hose'. Find frequency of the letter 'e'

Answer:
5