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 black and white image of a boy on his laptop with headphones'. How many words end with the letter 'a' in the sentence.
Example Output: 2

Example Input: Sentence: 'a picture of a large kite in the dessert'. How many words end with the letter 'n' in the sentence.
Example Output: 1

Example Input: Sentence: 'a mug of beer sitting on top of a table near the ocean'. How many words end with the letter 'a' in the sentence.
Example Output:
2