user: Question: Who won the runner-up in 1999?
Columns: ['Location', 'Year', 'Champion', 'Runner-up', 'Score']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Sopot', 2004.0, 'Flavia Pennetta', 'Klára Zakopalová', '7–5, 3–6, 6–3']
SQL:

assistant: SELECT "Runner-up" FROM "Table" WHERE "Year" = 1999.0;