I want to know the answer to the following question:
During which dynasty was the term Xizang first used?
All the background I'm provided with is that "The term Xīzàng was coined during the Qing dynasty in the reign of the Jiaqing Emperor (1796–1820) through the addition of a prefix meaning "west" (西 xī) to Zang.". Is that enough to answer the question?