Premise: American Idiot is the seventh studio album by American rock band Green Day . Green Day . The group has won five Grammy Awards : Best Alternative Album for Dookie , Best Rock Album for American Idiot , Record of the Year for `` Boulevard of Broken Dreams '' , Best Rock Album for the second time for 21st Century Breakdown and Best Musical Show Album for American Idiot : The Original Broadway Cast Recording .
Hypothesis: Green Day won an award for Best Rock Album.
Label: ENTAILMENT