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 cat standing in front of a small potted plant'. How many words end with the letter 'f' in the sentence.
Example Output: 1

Example Input: Sentence: 'the kitchen is full of various gourmet ingredients ingredients'. How many words end with the letter 'f' in the sentence.
Example Output: 1

Example Input: Sentence: 'a long train is sitting on a train track'. How many words end with the letter 'n' in the sentence.
Example Output:
3