instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a man standing in front of a statue near a metal pole'. Find frequency of the letter 'f'
answer:
2


question:
Sentence: 'a woman in a tank top reaches out for a frisbee'. Find frequency of the letter 'a'
answer:
6


question:
Sentence: 'one white cattle and one brown cattle are walking together'. Find frequency of the letter 'n'
answer:

5