instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'the street sign is next to a curved road'. Find frequency of the letter 's'
answer:
3


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


question:
Sentence: 'a small bathroom with white, tiled walls and white fixtures'. Find frequency of the letter 'a'
answer:

5