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

[Q]: Sentence: 'a young boy standing in front of a counter with dougnuts'. Find frequency of the letter 'o'
[A]: 6


[Q]: Sentence: 'a surfer wipes out on a huge wave'. Find frequency of the letter 'a'
[A]: 3


[Q]: Sentence: 'modern kitchen with light wood and steel appliances'. Find frequency of the letter 'h'
[A]:
3