instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'old double decker bus parked in a lot'. Find frequency of the letter 't'
answer:
1


question:
Sentence: 'older man getting ready to swing his bat at a ball on a stand in front of a group of viewers'. Find frequency of the letter 'n'
answer:
7


question:
Sentence: 'a woman riding an elephant adorned with decorative face paint'. Find frequency of the letter 'a'
answer:

8