instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a stop sign next to houses with christmas lights'. Find frequency of the letter 's'
answer:
7


question:
Sentence: 'a bowl of granola, dried fruit, and bananas'. Find frequency of the letter 'u'
answer:
1


question:
Sentence: 'a couple of pizzas that are on a table'. Find frequency of the letter 'h'
answer:

1