instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a plate of food, with broccoli and nuts'. Find frequency of the letter 'b'
answer:
1


question:
Sentence: 'bathroom scene with a black cat going behind the door'. Find frequency of the letter 'e'
answer:
4


question:
Sentence: 'a large group of people gathered together on a sandy beach'. Find frequency of the letter 'e'
answer:

8