Question: Who is Li Sujie's paternal grandmother?
Sentence (from "Li Sujie"): After Consort Xiao and Emperor Gaozong's wife Empress Wang were deposed and executed due to the machinations of Emperor Gaozong's second wife Empress Wu (later known as Wu Zetian), Li Sujie was under the watchful eyes of Empress Wu, and was several times demoted on accusations of misbehavior.
Relevant evidence: No