user: Question: What is the highest amount of swedish championship titles for the team that was introduced before 2006?
Columns: ['Club', 'Swedish championship titles', 'Allsvenskan titles', 'Introduced', 'Stars symbolizes']
Types: ['text', 'real', 'real', 'real', 'text']
Sample row: ['Malmö FF', 17.0, 20.0, 2006.0, 'Number of Allsvenskan titles']
SQL:

assistant: SELECT MAX("Swedish championship titles") FROM "Table" WHERE "Introduced" < 2006.0;