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 shirtless skateboarder doing tricks on his board'. How many words end with the letter 's' in the sentence.
Example Output: 3

Example Input: Sentence: 'a very tall tower with a clock on each of its sides'. How many words end with the letter 'f' in the sentence.
Example Output: 1

Example Input: Sentence: 'a boy runs to hit a tennis ball with a racquet'. How many words end with the letter 't' in the sentence.
Example Output:
2