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 male tennis player getting ready to server the ball'. How many words end with the letter 'o' in the sentence.
Example Output: 1

Example Input: Sentence: 'a black piece of luggage laid down with a camera and gloves on the top of it'. How many words end with the letter 'p' in the sentence.
Example Output: 1

Example Input: Sentence: 'a man relaxes on a bed in a small room'. How many words end with the letter 'a' in the sentence.
Example Output:
3