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 moped parked in front of a yellow wall and traffic sign'. How many words end with the letter 'd' in the sentence.
Example Output: 3

Example Input: Sentence: 'a large french bread pizza spanning the length of a table'. How many words end with the letter 'd' in the sentence.
Example Output: 1

Example Input: Sentence: 'a flock of birds flying over a massive snow covered mountain'. How many words end with the letter 'r' in the sentence.
Example Output:
1