user: Question: What years have Joyce Couwenberg as the character?
Columns: ['Actor', 'Character', 'Soap Opera', 'Years', 'Duration']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Jette van der Meij', 'Laura Selmhorst', 'Goede Tijden, Slechte Tijden', '1990—', '24 years']
SQL:

assistant: SELECT "Years" FROM "Table" WHERE "Character" = 'Joyce Couwenberg';