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 computer has three monitors set up and attached to it'. How many words end with the letter 'a' in the sentence.
Example Output: 1

Example Input: Sentence: 'a all of coin machines in a tourist stop'. How many words end with the letter 'n' in the sentence.
Example Output: 2

Example Input: Sentence: 'a building with a clock on it is against a white sky'. How many words end with the letter 'g' in the sentence.
Example Output:
1