instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a woman holds the reins of a saddled horse'. Find frequency of the letter 'm'
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 cat sitting in a small open window'. Find frequency of the letter 'n'
answer:

4