In this task, you need to count the number of times the given letter appears in the given sentence.

[EX Q]: Sentence: 'a bedroom with a neatly made bed and a laptop'. Find frequency of the letter 'l'
[EX A]: 2

[EX Q]: Sentence: 'the small black and white dog holds onto a frisbee'. Find frequency of the letter 'h'
[EX A]: 3

[EX Q]: Sentence: 'a bot on body of water and clouds reflecting in the water'. Find frequency of the letter 'w'
[EX A]:
2