Please read the following table in Markdown format and then answer the question according to the table. 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 | 5.0 | — | January 1983 | January 1984 |
| MC68000 | Lisa 2 | 5.0 | — | January 1984 | January 1985 |
| MC68000 | Macintosh | 8.0 | — | January 1984 | October 1985 |
| MC68000 | Macintosh 512K | 8.0 | — | September 1984 | April 1986 |
| MC68000 | Macintosh XL | 5.0 | — | January 1985 | April 1985 |
| MC68000 | Macintosh Plus | 8.0 | — | January 1986 | October 1990 |
| MC68000 | Macintosh 512Ke | 8.0 | — | April 1986 | September 1987 |
| MC68000 | Macintosh SE | 8.0 | — | March 1987 | August 1989 |
| MC68000 | Macintosh SE FDHD | 8.0 | — | August 1989 | October 1990 |
| MC68000 | Macintosh Classic | 8.0 | — | October 1990 | September 1992 |
| MC68HC000 | Macintosh Portable | 16.0 | — | September 1989 | October 1991 |
| MC68HC000 | PowerBook 100 | 16.0 | — | October 1991 | August 1992 |
Question:
What is the least clock speed (MHz) with January 1986 as introduced?
Answer:
8.0