how well do u know Greenday?

simple, answer the questions about greenday :)

1 who is greenday's lead singer?
2 what was the name of Greendays song that was set in a mental home?
3 what is Greendays drummer called?
4 does Greenday have an album called " 21st century breakdown" ?
5 who sings the song Know your enemy?
6 how many band members are in Greenday?
7 does greenday have an album called " international Superhits! " ?