In this task, you need to count the number of times the given letter appears in the given sentence.

Q: Sentence: 'a bowl of vegetables in a soup like substance next to a spoon'. Find frequency of the letter 'a'

A: 5
****
Q: Sentence: 'a bird is standing on the ledge of the building'. Find frequency of the letter 't'

A: 3
****
Q: Sentence: 'a black dog chasing down a frisbee that's still in the air'. Find frequency of the letter 'i'

A:
5
****