user: Question: What role was nominated at the Sydney Film Festival?
Columns: ['Year', 'Nominated/Won', 'Award/category', 'Festival/organization', 'Role']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2007.0, 'Won', 'Best Actor', 'Rome Film Festival', 'Rade Šerbedžija as Athos']
SQL:

assistant: SELECT "Role" FROM "Table" WHERE "Festival/organization" = 'Sydney Film Festival';