Question: Vibulenus Agrippa was accused of treason under the reign of the Emperor who was leader during which years?
Sentence (from "Cen Changqian"): Cen Changqian (; died November 7, 691), briefly known as Wu Changqian (武長倩) during the reign of Wu Zetian, formally the Duke of Deng (鄧公), was an official of the Chinese dynasty Tang Dynasty and Wu Zetian's Zhou Dynasty, serving as chancellor during the reign of Emperor Gaozong, as well as Wu Zetian's reign and her earlier regency over her sons Emperor Zhongzong and Emperor Ruizong.
Relevant evidence: No