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 boy is riding a skateboard off of a ramp'. How many words end with the letter 's' in the sentence.
Example Output: 1

Example Input: Sentence: 'a kid playing with a phone seated on a chair'. How many words end with the letter 'g' in the sentence.
Example Output:
1