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

Q: Sentence: 'a train sits on a railroad track as a metal awning covers it'. Find frequency of the letter 'l'

A: 2
****
Q: Sentence: 'this is a close up view of a tennis player during the game'. Find frequency of the letter 't'

A: 3
****
Q: Sentence: 'a couple of people on a beach with a surfboard'. Find frequency of the letter 'l'

A:
2
****