In this task, you need to count the number of words in a sentence that end with the given letter. Answer with numbers and not words.

Example Input: Sentence: 'four cooks are in a stainless steel kitchen'. How many words end with the letter 'n' in the sentence.
Example Output: 2

Example Input: Sentence: 'a pizza sitting on top of a cardboard box'. How many words end with the letter 'a' in the sentence.
Example Output: 3

Example Input: Sentence: 'two young men on motorcross bikes stopped on a trail coming out of the woods'. How many words end with the letter 's' in the sentence.
Example Output:
3