user: ### NOW ANSWER:
Question: What was the theme when original artist Rosana's song was performed?
Columns: ['Week #', 'Theme', 'Song Choice', 'Original Artist', 'Order #', 'Result']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Audition', "Auditioner's Choice", '"Os Outros"', 'Kid Abelha', 'N/A', 'Advanced']
SQL:

assistant: SELECT "Theme" FROM "Table" WHERE "Original Artist" = 'Rosana';