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 woman that is sitting in the sand holding a phone'. How many words end with the letter 'a' in the sentence.
Example Output: 2

Example Input: Sentence: 'a man in a snow suit skiing down a powdery mountain'. How many words end with the letter 'n' in the sentence.
Example Output: 4

Example Input: Sentence: 'a clock is shown on top of a building'. How many words end with the letter 'n' in the sentence.
Example Output:
2