instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'the counter of a doctor's office, including a laptop, cotton swabs, and tongue depressors'. Find frequency of the letter 'g'
answer:
2

question:
Sentence: 'an airplane is being towed away from the jet bridge'. Find frequency of the letter 's'
answer:
1

question:
Sentence: 'an elephant is standing behind the fence'. Find frequency of the letter 'a'
answer:
3