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 group of cows standing next to a wire fence'. How many words end with the letter 's' in the sentence.
Example Output: 1

Example Input: Sentence: 'a black suitcase with handles to help when rolling it around'. How many words end with the letter 'e' in the sentence.
Example Output: 1

Example Input: Sentence: 'a few giraffes at a zoo two of which seem to be nuzzling one another'. How many words end with the letter 'o' in the sentence.
Example Output:
3