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: 'young adults playing with flying disc at indoor gymnasium'. How many words end with the letter 'm' in the sentence.
Example Output: 1

Example Input: Sentence: 'a triangle duck crossing sign with red border'. How many words end with the letter 'e' in the sentence.
Example Output: 1

Example Input: Sentence: 'a young man riding a skateboard down a sidewalk'. How many words end with the letter 'd' in the sentence.
Example Output:
1