Q:Question: Who was Jack in his previous birth ? If there is no answer, please output "Insufficient information to provide an answer.". Movie title: The Myth Context: Martial arts legend Jackie Chan stars as Jack, a world-renowned archaeologist who has begun having mysterious dreams of a past life as a warrior in ancient China. When a fellow scientist asks for Jack's help in locating the mausoleum of China's first emperor, the past collides violently with the present as Jack discovers his amazing visions are based in fact. Assisted by the spirit of a noble princess, Jack follows a mystical trail that soon finds him battling the forces of the legendary emperor, as well as the henchmen of a modern-day tomb raider, as he seeks to uncover histor's greatest secret - and his own destiny.Martial arts legend Jackie Chan stars in this mystical, fantasy adventure as an intrepid archaeologist, Jack, who sets out on an adventure that would lead to the greatest discovery in Chinese history. In BC221 Qin Shihuang the first emperor of China started to build a royal tomb for himself despite his infatuation with immortality. Through the prodigious endeavors of more than 700,000 forced labourers, the mausoleum was completed 37 years later. Legend has it that to ensure utmost secrecy, all those who worked on the project were buried alive with the dead emperor. Over the next 2,000 years historians, tomb-raiders and happy-go-lucky adventurers alike had been homing in on the royal treasure, however, no one had ever succeeded in location the entrance to the mausoleum until now. [D-Man2010]This wild tale showcases Jackie Chan's skills and charm as he plays both Meng Yi, a Qin Dynasty general, and as the same character's reincarnation, Jack Lee. Lee is an archaeologist, but spends much of his time experiencing strange memories from his past life. With an unusual and complex plot that interweaves many disparate elements, this is certainly a departure from Chan's typical work. [D-Man2010]
A:
Jack was Meng Yi, a Qin Dynasty general,