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 young adults is playing frisbee in a field'. How many words end with the letter 'p' in the sentence.
Example Output: 1

Example Input: Sentence: 'a male tennis player serving the tennis ball'. How many words end with the letter 's' in the sentence.
Example Output: 2

Example Input: Sentence: 'a desk with a cat laying a laptop'. How many words end with the letter 'h' in the sentence.
Example Output:
1