instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'city two way street with cars lined up on both sides'. Find frequency of the letter 'h'
answer:
2


question:
Sentence: 'a couple is cutting in to a cake at a wedding'. Find frequency of the letter 'd'
answer:
2


question:
Sentence: 'a chair holding a laptop sits in front of an oven'. Find frequency of the letter 'n'
answer:

5