Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| 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 |
Title:
list of macintosh models grouped by cpu type
Statement:
the macintosh xl is the last model to have a 5 mhz clock speed
Answer:
supported