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

Q: Sentence: 'a parking meter painted green with a sign that describes it as not a parking meter'. Find frequency of the letter 's'

A: 4
****
Q: Sentence: 'many different species of sheep in display at a museum'. Find frequency of the letter 'h'

A: 1
****
Q: Sentence: 'several different color cows walking in water near trees'. Find frequency of the letter 'e'

A:
8
****