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: 'two teddy bears in a windowsill with a small kitten looking at them'. How many words end with the letter 'a' in the sentence.
Example Output: 2

Example Input: Sentence: 'a man in shorts and tie sitting at desk with coffee'. How many words end with the letter 'g' in the sentence.
Example Output: 1

Example Input: Sentence: 'there is a toilet that has been put in the street'. How many words end with the letter 'a' in the sentence.
Example Output:
1