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 bus parked at the corner of a street near a cross walk'. How many words end with the letter 'a' in the sentence.
Example Output: 3

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: 'the yellow earth mover sits in the field in front of the pole'. How many words end with the letter 'n' in the sentence.
Example Output:
2