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 bird hunts for bugs in the tall grass'. How many words end with the letter 's' in the sentence.
Example Output: 3

Example Input: Sentence: 'this is a man taking a picture with a girl'. How many words end with the letter 'l' in the sentence.
Example Output: 1

Example Input: Sentence: 'a dog is chasing some sheep on the grass'. How many words end with the letter 'g' in the sentence.
Example Output:
2