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 train riding through tracks in a large train station'. How many words end with the letter 'n' in the sentence.
Example Output: 4

Example Input: Sentence: 'zebra eating grass in a field caged in silver fence'. How many words end with the letter 'd' in the sentence.
Example Output: 2

Example Input: Sentence: 'an antique car is parked with an old bike next to it'. How many words end with the letter 's' in the sentence.
Example Output:
1