Question: What was the release date of a song by  Bae Su-ji that sold more than 1.3 million copies?
Sentence (from "Bee Gees Gold"): It reached #50 on "Billboard"<nowiki>'</nowiki>s album chart during a time when the Bee Gees were topping the charts with their new R&B/Disco sound found on their then current album "Children of the World".
Relevant evidence: No