instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'three men are in a kitchen cooking and cutting through a dish'. Find frequency of the letter 'a'
answer:
4


question:
Sentence: 'a child sitting a table with a pizza in front of him'. Find frequency of the letter 'h'
answer:
3


question:
Sentence: 'cars on a street next to a building in the rain'. Find frequency of the letter 'c'
answer:

1