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

Sentence: 'a woman with short, brown hair is looking into a circular mirror and holding a camera up to her cheek'. Find frequency of the letter 'e'
4

Sentence: 'a bus is stopped in front of a graphic statue'. Find frequency of the letter 'e'
2

Sentence: 'a white toilet seat sitting on top of a toilet'. Find frequency of the letter 'h'

1