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 flying in front of a passenger jet in a blue cloud filled sky'. How many words end with the letter 'n' in the sentence.
Example Output: 2

Example Input: Sentence: 'a large number of black cattle in a green grassy pasture'. How many words end with the letter 'e' in the sentence.
Example Output: 3

Example Input: Sentence: 'farming equipment running over plants on a farm'. How many words end with the letter 's' in the sentence.
Example Output:
1