What is the official name of the land with an area of 276.84 km2?
CREATE TABLE table_21282 (
    "Official Name" text,
    "Status" text,
    "Area km 2" text,
    "Population" real,
    "Census Ranking" text
)
SELECT "Official Name" FROM table_21282 WHERE "Area km 2" = '276.84'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the official name of the land with an area of 276.84 km2? ### Input: CREATE TABLE table_21282 (
    "Official Name" text,
    "Status" text,
    "Area km 2" text,
    "Population" real,
    "Census Ranking" text
) ### Response: SELECT "Official Name" FROM table_21282 WHERE "Area km 2" = '276.84'