user: Question: What census ranking has an area greater than 578.28 km2?
Columns: ['Official Name', 'Status', 'Area km 2', 'Population', 'Census Ranking']
Types: ['text', 'text', 'real', 'real', 'text']
Sample row: ['Moncton', 'Parish', 582.2, 8861.0, '427 of 5,008']
SQL:

assistant: SELECT "Census Ranking" FROM "Table" WHERE "Area km 2" > 578.28;