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 flock of sheep grazing in a park'. Find frequency of the letter 'f'
answer:
2


question:
Sentence: 'giraffes in a zoo enclosure walk around a tree'. Find frequency of the letter 'l'
answer:

2