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:
| Name | Platform | Supported databases | Tracking Method | Latest stable release | License |
| --- | --- | --- | --- | --- | --- |
| Analog | C | Logfile-based | Web log files | 6.0 | GNU GPL |
| AWStats | Perl | Logfile-based | Web log files | 7.1 | GNU GPL |
| CrawlTrack | PHP | MySQL | PHP pagetag | 3.3.2 | GNU GPL |
| Open Web Analytics | PHP | MySQL | JavaScript or PHP pagetag | 1.5.2 | GNU GPL |
| Piwik | PHP | MySQL | JavaScript or PHP pagetag or Web log files | 1.12 | GNU GPL |
| W3Perl | Perl | Logfile-based | Web log files | 3.17 | GNU GPL |
| Webalizer | C | Logfile-based | Web log files | 2.23-05 | GNU GPL |
Question:
Which tracking method has a latest stable release of 6.0?
Answer:
Web log files