instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a young boy standing in front of a counter with dougnuts'. Find frequency of the letter 'o'
answer:
6

question:
Sentence: 'pedestrian in stripe clothing standing on street corner'. Find frequency of the letter 's'
answer:
4

question:
Sentence: 'a cruise ship can be seen in the distance with a smaller boat headed towards it'. Find frequency of the letter 'h'
answer:
4