user: Question: What is the name of the community with an area of 30.75 sq. km.?
Columns: ['Official Name', 'Status', 'Area km 2', 'Population', 'Census Ranking']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['Campbellton', 'City', '18.66', 7385.0, '515 of 5,008']
SQL:

assistant: SELECT "Official Name" FROM "Table" WHERE "Area km 2" = '30.75';