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

Q: Sentence: 'a photo of a toilet which is not clean'. Find frequency of the letter 'w'

A: 1
****
Q: Sentence: 'old double decker bus parked in a lot'. Find frequency of the letter 't'

A: 1
****
Q: Sentence: 'a pitcher and batter in a baseball game'. Find frequency of the letter 'g'

A:
1
****