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

Q: Sentence: 'a woman holds some baked goods at the convention'. Find frequency of the letter 'd'

A: 3
****
Q: Sentence: 'a couple of men standing inside of a liquor store'. Find frequency of the letter 'p'

A: 1
****
Q: Sentence: 'a man is standing by a fence in a dim light'. Find frequency of the letter 's'

A:
2
****