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 dog is shown sitting on rocks by the beach'. Find frequency of the letter 'a'
answer:
2


question:
Sentence: 'old time photo of skier standing in front of a frosted tree'. Find frequency of the letter 'i'
answer:

4