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 sign on a pole is displayed on a road'. How many words end with the letter 'a' in the sentence.
Example Output: 3

Example Input: Sentence: 'person holding up a small orange and white electronic device'. How many words end with the letter 'e' in the sentence.
Example Output: 3

Example Input: Sentence: 'a gazelle wanders down to join a pack of zebras as they drink at the water hole'. How many words end with the letter 'r' in the sentence.
Example Output:
1