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: 'there is a small truck that has stopped in the dirt'. How many words end with the letter 's' in the sentence.
Example Output: 2

Example Input: Sentence: 'something round being cooked in a shape of a pancake in a fry pan'. How many words end with the letter 'n' in the sentence.
Example Output: 3

Example Input: Sentence: 'a man with a beard in glasses grinning at the camera'. How many words end with the letter 'a' in the sentence.
Example Output:
3