CREATE TABLE "Web_client_accelerator" (
"id" int,
"name" text,
"Operating_system" text,
"Client" text,
"Connection" text,
primary key("id")
)

CREATE TABLE "browser" (
"id" int,
"name" text,
"market_share" real,
primary key("id")
)

CREATE TABLE "accelerator_compatible_browser" (
"accelerator_id" int,
"browser_id" int,
"compatible_since_year" int,
primary key("accelerator_id", "browser_id"),
foreign key ("accelerator_id") references `Web_client_accelerator`("id"),
foreign key ("browser_id") references `browser`("id")
)
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'
Show the accelerator names and supporting operating systems that are not compatible with the browser named 'Opera'.