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 man on a tennis court  holding a racket'. How many words end with the letter 'n' in the sentence.
Example Output: 2

Example Input: Sentence: 'a bunch of people stand atop of a green hill'. How many words end with the letter 'a' in the sentence.
Example Output: 2

Example Input: Sentence: 'four bowls two containing veggies fruits  and a pasta dish with a fifth container of salad dressing'. How many words end with the letter 'r' in the sentence.
Example Output:
2