Conversation so far:
How old were the boys when then started doing music together?
CANNOTANSWER.
The group changed their name many times, what was another name they used?
CANNOTANSWER.
What was the name of the groups breakthrough album?
its major label debut, Dookie.
What is your favorite fact about Green Day?
the Woodstock 1994 performance further aided Green Day's growing publicity and recognition.
What was the band working on in 1996?
After that, the band abruptly cancelled a European tour, citing exhaustion.
What was the bands best part?
Dookie won the Grammy Award for Best Alternative Album and the band was nominated for nine MTV Video Music Awards including Video of the Year.
Is Dookie a good name for a record?
CANNOTANSWER.
Did the group get along while on tour?
CANNOTANSWER.
What awards did the group win?
the album won the band award nominations for Favorite Artist, Favorite Hard Rock Artist, and Favorite Alternative Artist at the 1996 American Music Awards.

Question: Did they win a grammy?
Self-contained rewrite: Did Green Day win a Grammy?