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: 'boats docked near land and several buildings'. How many words end with the letter 's' in the sentence.
Example Output: 2

Example Input: Sentence: 'two black horses standing outside in the snow'. How many words end with the letter 's' in the sentence.
Example Output: 1

Example Input: Sentence: 'a family of snow skiers lined up for a picture before their run'. How many words end with the letter 'a' in the sentence.
Example Output:
2