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

[EX Q]: Sentence: 'three men are in a kitchen cooking and cutting through a dish'. Find frequency of the letter 'a'
[EX A]: 4

[EX Q]: Sentence: 'a white paper plate with a slice of pizza on it'. Find frequency of the letter 'h'
[EX A]: 2

[EX Q]: Sentence: 'two skateboarders make there way through a cone obstacle course'. Find frequency of the letter 'h'
[EX A]:
3