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 view out the window of a passenger jet airplane below are some snow capped mountains'. How many words end with the letter 'w' in the sentence.
Example Output: 4

Example Input: Sentence: 'the cat is hiding on the shelf in the closet'. How many words end with the letter 'n' in the sentence.
Example Output: 2

Example Input: Sentence: 'a giraffe is standing near a tree in an enclosed area'. How many words end with the letter 'a' in the sentence.
Example Output:
3