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 hand is holding a pack of japanese donuts'. How many words end with the letter 's' in the sentence.
Example Output: 2

Example Input: Sentence: 'a teddy bear is sitting on a wooden chair'. How many words end with the letter 'a' in the sentence.
Example Output: 2

Example Input: Sentence: 'a man is sitting on a wood stool in a home'. How many words end with the letter 'a' in the sentence.
Example Output:
3