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: 'the city bus has pulled over to the side of the road'. How many words end with the letter 'f' in the sentence.
Example Output: 1

Example Input: Sentence: 'a man blowing out some candles on a cake'. How many words end with the letter 'a' in the sentence.
Example Output: 2

Example Input: Sentence: 'a parking sign is displaying spaces available on a city street'. How many words end with the letter 'a' in the sentence.
Example Output:
2