Show the accelerator names and supporting operating systems that are not compatible with the browser named 'Opera'.
select name, operating_system from web_client_accelerator except select t1.name, t1.operating_system from web_client_accelerator as t1 join accelerator_compatible_browser as t2 on t2.accelerator_id = t1.id join browser as t3 on t2.browser_id = t3.id where t3.name = 'Opera'