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: 'people waiting for the arrival of their luggage in an airport'. How many words end with the letter 'l' in the sentence.
Example Output: 1

Example Input: Sentence: 'a baseball player jumps towards a base before the other player catches the ball'. How many words end with the letter 'e' in the sentence.
Example Output: 4

Example Input: Sentence: 'a batter at a baseball game who is waiting to be pitched to'. How many words end with the letter 'e' in the sentence.
Example Output:
2