instruction:
In this task, you need to count the number of times the given letter appears in the given sentence.
question:
Sentence: 'a table topped with a cupcake on a picture of a cupcake'. Find frequency of the letter 'o'
answer:
3


question:
Sentence: 'two indian women in colorful garb standing barefoot with two indian men'. Find frequency of the letter 'd'
answer:
3


question:
Sentence: 'a person wearing skis walking on a snow bank and holding a large black bag'. Find frequency of the letter 'l'
answer:

4