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: 'two personal size pizza have greens for toppings'. How many words end with the letter 'a' in the sentence.
Example Output: 1

Example Input: Sentence: 'a white longheaired dog eating a birthday cake'. How many words end with the letter 'g' in the sentence.
Example Output: 2

Example Input: Sentence: 'a yellow blue and purple train sitting on the track'. How many words end with the letter 'n' in the sentence.
Example Output:
2