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

Q: Sentence: 'a blue fire hydrant painted on the bottom of it'. Find frequency of the letter 'h'

A: 2
****
Q: Sentence: 'an airplane is being towed away from the jet bridge'. Find frequency of the letter 's'

A: 1
****
Q: Sentence: 'several buckets lined next to each other under spigots'. Find frequency of the letter 'o'

A:
3
****