Question: which pop band from the 1980s inspired the album that would spawn three commercially successful singles such as "Rich Girls," "What You Waiting for?" and "Hollaback Girl?"
{'answer': 'Club Nouveau', 'supporting_facts': [['Why You Treat Me So Bad', 0], ['Why You Treat Me So Bad', 2], ['Gwen Stefani', 6], ['Gwen Stefani', 7], ['Gwen Stefani', 8]]}