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

Sentence: 'a person holding a wine glass in one hand and bread sticks in the other'. Find frequency of the letter 'd'
4

Sentence: 'cooked fish and green broccoli share a single white plate'. Find frequency of the letter 'c'
3

Sentence: 'a metallic oven stove top under a microwave oven'. Find frequency of the letter 'm'
2