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 city street with traffic and people walking'. How many words end with the letter 'a' in the sentence.
Example Output: 1

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 standing on top of a grass covered field behind a white frisbee'. How many words end with the letter 'd' in the sentence.
Example Output:
3