Question: SechsKies, was a six-member South Korean boy band, in what year, one of its members includes Eun Ji-won, a South Korean rapper, host, dancer, composer and leader of the first generation idol group SechsKies?
Sentence (from "Sechs Kies"): They are the "1st-generation K-Pop idols" and were named as one of the top boy groups in the 90's.
Relevant evidence: No