instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a white toilet sitting next to a toilet paper roller'. Find frequency of the letter 'o'
answer:
4


question:
Sentence: 'there are two men sitting on a couch playing video games'. Find frequency of the letter 'v'
answer:
1


question:
Sentence: 'the child has a laptop with stickers on it's lid'. Find frequency of the letter 'c'
answer:

2