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 couple of police officers stand on a street corner'. How many words end with the letter 'e' in the sentence.
Example Output: 2

Example Input: Sentence: 'a city bus with hard blue double seats'. How many words end with the letter 's' in the sentence.
Example Output: 2

Example Input: Sentence: 'a group of young people wearing ski equipment while standing on a snow covered ski slope'. How many words end with the letter 'e' in the sentence.
Example Output:
3