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: 'motorcycle cops parked next to some people holding signs are marching down the road'. How many words end with the letter 'o' in the sentence.
Example Output: 1

Example Input: Sentence: 'a group of men and women standing in front of a ribbon'. How many words end with the letter 'n' in the sentence.
Example Output: 4

Example Input: Sentence: 'several green and white train cars sitting on tracks'. How many words end with the letter 'l' in the sentence.
Example Output:
1