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 piece of cake on a green plate with a portion on a fork'. How many words end with the letter 'a' in the sentence.
Example Output: 4

Example Input: Sentence: 'a old picture of workers building the railroad'. How many words end with the letter 'd' in the sentence.
Example Output: 2

Example Input: Sentence: 'a watch on top of a couple of dried leaves'. How many words end with the letter 'd' in the sentence.
Example Output:
1