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 guy on a surf board riding the waves in the ocean'. How many words end with the letter 'g' in the sentence.
Example Output: 1

Example Input: Sentence: 'a person is windsurfing on the water near houses'. How many words end with the letter 'n' in the sentence.
Example Output: 2

Example Input: Sentence: 'a man who is looking at a plate of food that has a sandwich and fries on it'. How many words end with the letter 'n' in the sentence.
Example Output:
2