instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a commuter bus in england by a clock tower building'. Find frequency of the letter 'w'
answer:
1


question:
Sentence: 'a bunch of fruit sitting in a bowl, its overflowing'. Find frequency of the letter 't'
answer:
4


question:
Sentence: 'a tattered jamaica sticker by the handle of an old suitcase'. Find frequency of the letter 't'
answer:

6