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 clock street sign on the corner of a building'. How many words end with the letter 'a' in the sentence.
Example Output: 2

Example Input: Sentence: 'a pole with an flag on it and another pole with street signs on it'. How many words end with the letter 't' in the sentence.
Example Output: 3

Example Input: Sentence: 'a zebra sharing his enclosure with a donkey'. How many words end with the letter 'a' in the sentence.
Example Output:
3