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

[Q]: Sentence: 'a cat sleeping near lots of pairs of shoes'. Find frequency of the letter 'r'
[A]: 2

[Q]: Sentence: 'decorated baseball cake in a clear plastic box'. Find frequency of the letter 'k'
[A]: 1

[Q]: Sentence: 'the woman with glasses is holding a teddy bear'. Find frequency of the letter 'd'
[A]:
3