instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'seagulls sit on the posts of a seaside balcony by a clock tower'. Find frequency of the letter 'g'
answer:
1


question:
Sentence: 'a woman in a messy kitchen with a child'. Find frequency of the letter 'a'
answer:
4


question:
Sentence: 'a sheep and two babies in the grass'. Find frequency of the letter 'a'
answer:

4