In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
Q: Context: Commodus, the last emperor of the Antonine dynasty, Link Information: The Nerva–Antonine dynasty was a dynasty of seven Roman Emperors who ruled over the Roman Empire from 96 CE to 192 CE. These Emperors are Nerva, Trajan, Hadrian, Antoninus Pius, Lucius Verus, Marcus Aurelius, and Commodus. Question: How many emperor's total were there during the Antonine dynasty?
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Answer: 7