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 microwave oven mounted above a stove'. How many words end with the letter 'd' in the sentence.
Example Output: 1

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 large herd of sheep in a grass field'. How many words end with the letter 'f' in the sentence.
Example Output:
1