premise: Adam Lambert's album premiered at number one on the U.S. Billboard 200 in 2009.
hypothesis: Adam Lambert . Later that year , he released his debut album , For Your Entertainment , which debuted at number three on the U.S. Billboard 200 . The album premiered at number one on the U.S. Billboard 200 , making him the first openly gay artist to top the album charts . In 2015 , Lambert released his third album , The Original High , which debuted at number three on the U.S. Billboard 200 .