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 small group of kids wear black pants and tennis shoes they stand on or hold their skateboards'. How many words end with the letter 'k' in the sentence.
Example Output: 1

Example Input: Sentence: 'a yellow train traveling towards a train station'. How many words end with the letter 'a' in the sentence.
Example Output: 2

Example Input: Sentence: 'a large brick building with a small clock on it'. How many words end with the letter 'h' in the sentence.
Example Output:
1