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

Sentence: 'the ingredients are ready on the wooden table'. Find frequency of the letter 'w'
1

Sentence: 'bathroom scene with a black cat going behind the door'. Find frequency of the letter 'e'
4

Sentence: 'a white plate topped with different flavored donuts'. Find frequency of the letter 'e'
6