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: 'the group of people are getting their suitcases together'. How many words end with the letter 'f' in the sentence.
Example Output: 1

Example Input: Sentence: 'a man in a jacket on a motorcycle'. How many words end with the letter 't' in the sentence.
Example Output: 1

Example Input: Sentence: 'a bathroom with a tub and a sink under a window'. How many words end with the letter 'a' in the sentence.
Example Output:
4