Translate the following question to SQL: What are the name and os of web client accelerators that do not work with only a 'Broadband' type connection?

Schema: CREATE TABLE Web_client_accelerator (
    id INT   PRIMARY KEY,
    name TEXT,
    Operating_system TEXT,
    Client TEXT,
    Connection TEXT,
    UNIQUE (id)
);

CREATE TABLE browser (
    id INT   PRIMARY KEY,
    name TEXT,
    market_share REAL,
    UNIQUE (id)
);

CREATE TABLE accelerator_compatible_browser (
    accelerator_id INT   PRIMARY KEY,
    browser_id INT   PRIMARY KEY,
    compatible_since_year INT,
    PRIMARY KEY (accelerator_id, browser_id),
    UNIQUE (accelerator_id, browser_id),
    FOREIGN KEY (browser_id) REFERENCES browser(id),
    FOREIGN KEY (accelerator_id) REFERENCES Web_client_accelerator(id)
);
user
SELECT name ,  operating_system FROM web_client_accelerator WHERE CONNECTION != 'Broadband'
assistant