instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'decorated baseball cake in a clear plastic box'. Find frequency of the letter 'k'
answer:
1

question:
Sentence: 'this yellow fire hydrant sits in a grass field'. Find frequency of the letter 'i'
answer:
5

question:
Sentence: 'a few people are getting of a plane'. Find frequency of the letter 'f'
answer:
2