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

Q: Sentence: 'a toilet of some sort near a sink of some sort'. Find frequency of the letter 'o'

A: 7
****
Q: Sentence: 'a guy riding a bike close to a car in the street'. Find frequency of the letter 'i'

A: 4
****
Q: Sentence: 'there are many people laying in the sand on the beach'. Find frequency of the letter 't'

A:
3
****