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 bathroom with a mirror sink towel and shower curtain'. How many words end with the letter 'a' in the sentence.
Example Output: 2

Example Input: Sentence: 'a stuffed bar sticking out of a book bag next to some clothes'. How many words end with the letter 'd' in the sentence.
Example Output: 1

Example Input: Sentence: 'a dog plays with its toys on the bed'. How many words end with the letter 's' in the sentence.
Example Output:
3