instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'two young ladies that are dancing in the room together'. Find frequency of the letter 'a'
answer:
4


question:
Sentence: 'black and white photograph of man and woman sitting on a bench'. Find frequency of the letter 'w'
answer:
2


question:
Sentence: 'a professional soccer player about to kick the ball'. Find frequency of the letter 'a'
answer:

5


