instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a man makes some cock tales at a desk'. Find frequency of the letter 'k'
answer:
3


question:
Sentence: 'a bedroom with a neatly made bed and a laptop'. Find frequency of the letter 'l'
answer:
2


question:
Sentence: 'traffic directional signs displayed next to wooden power pole'. Find frequency of the letter 'x'
answer:

1