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: 'an automobile is riding in a train car'. How many words end with the letter 'e' in the sentence.
Example Output: 1

Example Input: Sentence: 'the laptop is sitting next to the computer monitor'. How many words end with the letter 'p' in the sentence.
Example Output: 1

Example Input: Sentence: 'a group of people that are standing in the water'. How many words end with the letter 'n' in the sentence.
Example Output:
1