instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a scene at night; a plane alone on a runway with lit-up city buildings on the horizon'. Find frequency of the letter 'w'
answer:
2


question:
Sentence: 'a picture of a toilet and toilet paper in a bathroom'. Find frequency of the letter 'o'
answer:
5


question:
Sentence: 'a man in a suite takes a picture with a cell phone'. Find frequency of the letter 't'
answer:

4