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 clock standing in front of a white building'. How many words end with the letter 'f' in the sentence.
Example Output: 1

Example Input: Sentence: 'this items have been selected to make a meal'. How many words end with the letter 's' in the sentence.
Example Output: 2

Example Input: Sentence: 'a loaded pizza pie sitting in a pizza box'. How many words end with the letter 'a' in the sentence.
Example Output:
4