instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'children with scissors and construction paper in a school classroom'. Find frequency of the letter 'c'
answer:
6

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 boat with a wooden stabilizer on a tropical beach'. Find frequency of the letter 'r'
answer:
2