instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a woman is looking at sheep off in a field'. Find frequency of the letter 'm'
answer:
1


question:
Sentence: 'a picture of two men on a motorcycle in front of a railroad track'. Find frequency of the letter 'n'
answer:
4


question:
Sentence: 'this bathroom has a handrail in the shower'. Find frequency of the letter 'n'
answer:

2