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: 'a young man swings his tennis racket on the court'. How many words end with the letter 's' in the sentence.
Example Output: 3

Example Input: Sentence: 'an elephant by the side of the road'. How many words end with the letter 'f' in the sentence.
Example Output: 1

Example Input: Sentence: 'a food entree with a fork and spoon next to a glass with a straw'. How many words end with the letter 'o' in the sentence.
Example Output:
1