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

[EX Q]: Sentence: 'two people in a snowy place near a wooden fence'. Find frequency of the letter 'n'
[EX A]: 5

[EX Q]: Sentence: 'food sitting in bowls on table with checked tablecloth'. Find frequency of the letter 't'
[EX A]: 6

[EX Q]: Sentence: 'two vases and two figurines of children praying'. Find frequency of the letter 'n'
[EX A]:
4