instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'two pepperoni pizzas and a cup on a counter'. Find frequency of the letter 'u'
answer:
2


question:
Sentence: 'a group of men standing around a table cutting a cake'. Find frequency of the letter 'g'
answer:
3


question:
Sentence: 'two people riding paddle boards in the ocean'. Find frequency of the letter 'n'
answer:

3