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

Sentence: 'a  woman standing next to a man on a motorcycle in front of a market'. Find frequency of the letter 'l'
1

Sentence: 'a man in a black shirt prepares to catch a frisbee'. Find frequency of the letter 'f'
1

Sentence: 'a skier skiing down a snowy pine-studded slope'. Find frequency of the letter 'n'

4