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: 'a person riding a horse and wearing armor in front of a crowd'. How many words end with the letter 'a' in the sentence.
Example Output: 3

Example Input: Sentence: 'a man is wering shades posing smiling'. How many words end with the letter 'a' in the sentence.
Example Output:
1