Question: Which group did this musician from the rock band that released Zeitgeist join shortly after the its breakup?
{'answer': 'Zwan', 'supporting_facts': [['Zeitgeist (The Smashing Pumpkins album)', 0], ['Zeitgeist (The Smashing Pumpkins album)', 2], ['Jimmy Chamberlin', 1], ['Jimmy Chamberlin', 2]]}