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 group of people riding a wave on top of  surfboards'. How many words end with the letter 'f' in the sentence.
Example Output: 2

Example Input: Sentence: 'a couple of giraffe standing next to a forest'. How many words end with the letter 'g' in the sentence.
Example Output: 1

Example Input: Sentence: 'a living room filled with furniture and a purple couch under a window'. How many words end with the letter 'h' in the sentence.
Example Output:
2