instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'the ingredients are ready on the wooden table'. Find frequency of the letter 'w'
answer:
1


question:
Sentence: 'a chair and umbrella on a sandy beach'. Find frequency of the letter 's'
answer:
1


question:
Sentence: 'a man crosses the desert on horse back'. Find frequency of the letter 's'
answer:

5