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: 'three brown fourlegged animals with horns grazing in the pasture'. How many words end with the letter 'e' in the sentence.
Example Output: 3

Example Input: Sentence: 'a person on a snow board going down a pole'. How many words end with the letter 'e' in the sentence.
Example Output: 1

Example Input: Sentence: 'a yellow train with several box cars sitting on the track'. How many words end with the letter 'w' in the sentence.
Example Output:
1