instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a closeup view of a bathroom sink, that is very modern'. Find frequency of the letter 'e'
answer:
4


question:
Sentence: 'a man riding on the back of a white horse next to other horses'. Find frequency of the letter 'o'
answer:
6


question:
Sentence: 'stir fried noodles with carrots, mushrooms and broccoli'. Find frequency of the letter 'o'
answer:

7