instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a tower with some bright lights and clocks on it'. Find frequency of the letter 'h'
answer:
3


question:
Sentence: 'a very big nice looking living room with nice furnishings'. Find frequency of the letter 'e'
answer:
3


question:
Sentence: 'silhouette of person playing frisbee with moutain and sunset'. Find frequency of the letter 'i'
answer:

5