user: Question: Who is the captain of Middlesbrough?
Columns: ['Club', 'Manager', 'Captain', 'Manufacturer', 'Sponsor']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Arsenal', 'Arsène Wenger', 'Cesc Fàbregas', 'Nike', 'Fly Emirates']
SQL:

assistant: SELECT "Captain" FROM "Table" WHERE "Club" = 'Middlesbrough';