instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a social occasion of people are uncovered before the open day'. Find frequency of the letter 'c'
answer:
4


question:
Sentence: 'people seated on a table looking very happy'. Find frequency of the letter 'g'
answer:
1


question:
Sentence: 'three people are playing tennis together on a dirt court'. Find frequency of the letter 'c'
answer:

1