user: Question: What was the edition after 2003 when the Third was Tikveš and Sileks was the runner-up?
Columns: ['Edition', 'Year', 'Winner', 'Runner-up', 'Third']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 1993.0, 'Vardar', 'Tikveš', 'SAK Klagenfurt']
SQL:

assistant: SELECT "Edition" FROM "Table" WHERE "Year" > 2003.0 AND "Third" = 'Tikveš' AND "Runner-up" = 'Sileks';