Win a chance to ask Dave, Krist and/or Butch your insightful Nirvana question

From the SiriusXM site: To qualify, we're asking SiriusXM subscribers to submit their most creative and insightful questions about Nirvana's re-issue of Nevermind or their musical career, for the chance to pose the question in person to Novoselic, Grohl, and Vig directly at the event. We'll choose twenty (20) of the best questions and invite those people to meet up in New York City, where they will be face to face with Krist Novoselic, Dave Grohl, and Butch  Vig to ask their question LIVE...