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 pizza sitting on top of a cardboard box'. How many words end with the letter 'a' in the sentence.
Example Output: 3

Example Input: Sentence: 'a woman in a hat sitting on a wooden bench'. How many words end with the letter 'n' in the sentence.
Example Output: 4

Example Input: Sentence: 'a few boats floating on the water in front of some buildings'. How many words end with the letter 'n' in the sentence.
Example Output:
2