instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'two laptop computers sitting on top of a white table'. Find frequency of the letter 'f'
answer:
1


question:
Sentence: 'a desk covered in notepads, a laptop and other devices'. Find frequency of the letter 'c'
answer:
2


question:
Sentence: 'a small crumb cake in a blue container on a wicker pot holder'. Find frequency of the letter 'o'
answer:

4