user: Question: Who is the champion if the national trophy/rookie is not held?
Columns: ['Season', 'Champion', 'Second', 'Third', 'Team Champion', 'National Trophy/Rookie']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [2010.0, 'Brandon Maïsano', 'Patric Niederhauser', 'Raffaele Marciello', 'Prema Junior', 'Simone Iaquinta']
SQL:

assistant: SELECT "Champion" FROM "Table" WHERE "National Trophy/Rookie" = 'not held';