user: Question: What is the most mintage with common eider as the theme, and the year less than 2008?
Columns: ['Year', 'Theme', 'Artist', 'Mintage', 'Issue price']
Types: ['real', 'text', 'text', 'real', 'text']
Sample row: [2002.0, '15th Anniversary Loonie', 'Dora de Pédery-Hunt', 67672.0, '$39.95']
SQL:

assistant: SELECT MAX("Mintage") FROM "Table" WHERE "Theme" = 'common eider' AND "Year" < 2008.0;