Question: When is Li Chongjun's father's birthday?
Sentence (from "Emperor Zhongzong of Tang"): Empress Wei, who had failed to install her daughter Li Guo'er, the Princess Anle, as heir to Emperor Zhongzong, thought that Li Chongmao, born of Zhongzong and a concubine and who was only 16 years old, would be easy to control and allow her to preserve her power.
Relevant evidence: No