Premise: Green Day . The band 's eighth studio album , 21st Century Breakdown , was released in 2009 and achieved the band 's best chart performance to date . The band 's twelfth studio album , Revolution Radio was released on October 7 , 2016 and debuted at number one on the Billboard 200 , their third album to do so .
Hypothesis: Green Day has made at least eight studio albums.
Label: ENTAILMENT