user: Question: Which census ranking is 57.06 km big?
Columns: ['Official Name', 'Status', 'Area km 2', 'Population', 'Census Ranking']
Types: ['text', 'text', 'real', 'real', 'text']
Sample row: ['Quispamsis', 'Town', 57.06, 17886.0, '231 of 5,008']
SQL:

assistant: SELECT "Census Ranking" FROM "Table" WHERE "Area km 2" = 57.06;