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: 'a toilet filled with a brown liner and dirty water'. Find frequency of the letter 't'
answer:
5


question:
Sentence: 'there is a large table with flowers, fruits and bottles'. Find frequency of the letter 't'
answer:

6