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

Q: Sentence: 'an old boat on a beach near a large body of water'. Find frequency of the letter 'a'

A: 8
****
Q: Sentence: 'people fishing and enlarge mountainlake with trees lining the shoreline'. Find frequency of the letter 't'

A: 4
****
Q: Sentence: 'a train sits parked next to a restaurant'. Find frequency of the letter 's'

A:
3
****