Table: list of macintosh models grouped by cpu type
[['processor', 'model', 'clock speed (mhz)', 'l1 cache (bytes)', 'introduced', 'discontinued'], ['mc68000', 'lisa', '5', '-', 'january 1983', 'january 1984'], ['mc68000', 'lisa 2', '5', '-', 'january 1984', 'january 1985'], ['mc68000', 'macintosh', '8', '-', 'january 1984', 'october 1985'], ['mc68000', 'macintosh 512k', '8', '-', 'september 1984', 'april 1986'], ['mc68000', 'macintosh xl', '5', '-', 'january 1985', 'april 1985'], ['mc68000', 'macintosh plus', '8', '-', 'january 1986', 'october 1990'], ['mc68000', 'macintosh 512ke', '8', '-', 'april 1986', 'september 1987'], ['mc68000', 'macintosh se', '8', '-', 'march 1987', 'august 1989'], ['mc68000', 'macintosh se fdhd', '8', '-', 'august 1989', 'october 1990'], ['mc68000', 'macintosh classic', '8', '-', 'october 1990', 'september 1992'], ['mc68hc000', 'macintosh portable', '16', '-', 'september 1989', 'october 1991'], ['mc68hc000', 'powerbook 100', '16', '-', 'october 1991', 'august 1992']]
Statement: the Macintosh Xl is the last Model to have a 5 mhz Clock Speed
Statement: the Macintosh Se was Introduced prior to the Macintosh Classic being Introduced
Statement: January is the most common month for a Model to be Introduced
Statement: the Macintosh Xl had the shortest lifespan , being Discontinued just 3 month after it was Introduced
Statement: the Powerbook 100 has a Clock Speed of 16 mhz and the Macintosh Plus has a Clock Speed of 8 mhz