user: Question: What is the earliest year when the 25th anniversary loonie was the theme, and the mintage was less than 35000?
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 MIN("Year") FROM "Table" WHERE "Theme" = '25th anniversary loonie' AND "Mintage" < 35000.0;