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: 'eight donuts are cooked together in oil in a metal tray'. Find frequency of the letter 'h'
answer:
2


question:
Sentence: 'a gray wooden bench stands at between a sidewalk.and dead grass'. Find frequency of the letter 'e'
answer:

7