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 burger and some fries on a white plate'. How many words end with the letter 's' in the sentence.
Example Output: 1

Example Input: Sentence: 'a woman throwing a frisbee in a meadow surrounded by trees'. How many words end with the letter 'n' in the sentence.
Example Output: 2

Example Input: Sentence: 'a large long bus and some vehicles on a street'. How many words end with the letter 's' in the sentence.
Example Output:
2