Question: When was the South Korean actress who starred in Herb as a 20-year-old woman with the mental and emotional skills of a seven-year-old born? 
Sentence (from "Herb (film)"): Kang Hye-jung stars in the lead role as a 20-year-old woman with the mental and emotional skills of a seven-year-old, who falls in love with a policeman she sees as her Prince Charming, but must face tragedy when she is forced to deal with certain realities about herself and those around her.
Relevant evidence: Yes