how many counties in the state of arizona???

Answer: 15
Question: how many justices are there in the us supreme court?

Answer: nine
Answer this question: when was the first home security system invented??

1966
Q: presents peptides to t cells and is only found on specific types of nucleated cells?A: MHC class I molecules
Input: what led to enron worldcom and the like?

Output: complex financial statements
Input: what number is eclipse in the twilight saga?

Output:
third