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: 'several jockeys ride their horses in a horse race'. How many words end with the letter 'r' in the sentence.
Example Output: 1

Example Input: Sentence: 'a mirror hangs from the ceiling of a large room'. How many words end with the letter 'a' in the sentence.
Example Output: 2

Example Input: Sentence: 'a small clock tower in the middle of a sidewalk in an open area'. How many words end with the letter 'e' in the sentence.
Example Output:
2