instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a scene at night; a plane alone on a runway with lit-up city buildings on the horizon'. Find frequency of the letter 'w'
answer:
2


question:
Sentence: 'a man sitting on a motorcycle near two other men'. Find frequency of the letter 'r'
answer:
3


question:
Sentence: 'a man fully attired in gear kitesurfs on the beach'. Find frequency of the letter 'k'
answer:

1