instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a gray airplane with metal petals on the wings takes off from an airport'. Find frequency of the letter 'i'
answer:
4


question:
Sentence: 'a large cooked pizza on a dining table'. Find frequency of the letter 'n'
answer:
3


question:
Sentence: 'a little open kitchen next to a floral couch and a white dining table'. Find frequency of the letter 'h'
answer:

3