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

Q: Sentence: 'a scene at night; a plane alone on a runway with lit-up city buildings on the horizon'. Find frequency of the letter 'w'

A: 2
****
Q: Sentence: 'a tennis player after hitting a shot back to the other side of the court'. Find frequency of the letter 'n'

A: 3
****
Q: Sentence: 'a bunch of fruit sit piled up on top of each other'. Find frequency of the letter 'o'

A:
5
****