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

Q: Sentence: 'an empty clean kitchen with island, marble countertops , stove and cabinetry'. Find frequency of the letter 'l'

A: 3
****
Q: Sentence: 'a passenger train that is going over a bridge'. Find frequency of the letter 't'

A: 3
****
Q: Sentence: 'two males wearing protective gear walk down a road carrying skateboards'. Find frequency of the letter 't'

A:
4
****