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

Q: Sentence: 'a man with a skateboard that is in the street'. Find frequency of the letter 'o'

A: 1
****
Q: Sentence: 'a group of cows that are standing in the grass'. Find frequency of the letter 'g'

A: 3
****
Q: Sentence: 'a close up view of raw broccoli florets and carrots'. Find frequency of the letter 'e'

A:
3
****