user: Question: Who was the winner in the competition in which the runner-up was Rosenborg?
Columns: ['Years', 'Winners', 'Runners-Up', 'Score', 'Third']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1999 La Manga Cup', 'Rosenborg', 'Stabæk', '2 – 2', 'Brann']
SQL:

assistant: SELECT "Winners" FROM "Table" WHERE "Runners-Up" = 'Rosenborg';