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 yellow and blue fire hydrant by the curb'. How many words end with the letter 'e' in the sentence.
Example Output: 3

Example Input: Sentence: 'a white toilet sitting next to a bathroom sink'. How many words end with the letter 'm' in the sentence.
Example Output: 1

Example Input: Sentence: 'a man wearing a helmet and sunglasses talks on his cellphone'. How many words end with the letter 's' in the sentence.
Example Output:
3