instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a little child looking up to a camera holding a cell phone'. Find frequency of the letter 'g'
answer:
2


question:
Sentence: 'a gray colored pigeon that is perched on a railing outside of a building, with other buildings in the background'. Find frequency of the letter 'e'
answer:
7


question:
Sentence: 'a man standing beside a stopped santa fe train'. Find frequency of the letter 'e'
answer:

4