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 gross dirty toilet in a unmaintained bathroom'. How many words end with the letter 't' in the sentence.
Example Output: 1

Example Input: Sentence: 'a train traveling past a yellow rusted fire hydrant'. How many words end with the letter 'e' in the sentence.
Example Output: 1

Example Input: Sentence: 'a zebra is standing by a dry bush and dry plants'. How many words end with the letter 's' in the sentence.
Example Output:
2