user: Question: What is the duration of the character Bartha Zsolt?
Columns: ['Actor', 'Character', 'Soap Opera', 'Years', 'Duration']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Szőke Zoltán', 'Berényi Miklós', 'Barátok közt', '1998—', '16 years']
SQL:

assistant: SELECT "Duration" FROM "Table" WHERE "Character" = 'Bartha Zsolt';