instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a pizza pie sitting on a wooden table with tongs'. Find frequency of the letter 't'
answer:
5


question:
Sentence: 'cars parked outside if a retail store'. Find frequency of the letter 'd'
answer:
2


question:
Sentence: 'two people sitting on a rock while holding onto umbrellas'. Find frequency of the letter 'o'
answer:

7