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 snowboarder buried up to his waste in snow'. How many words end with the letter 'o' in the sentence.
Example Output: 1

Example Input: Sentence: 'a toilet with a white piece of cloth in it'. How many words end with the letter 'f' in the sentence.
Example Output: 1

Example Input: Sentence: 'a small bath room with a sink and toilet'. How many words end with the letter 'a' in the sentence.
Example Output:
2