What is the area in square kilometers of Studholm?
CREATE TABLE table_name_87 (
    area_km_2 VARCHAR,
    official_name VARCHAR
)
SELECT COUNT(area_km_2) FROM table_name_87 WHERE official_name = "studholm"
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 area in square kilometers of Studholm? ### Input: CREATE TABLE table_name_87 (
    area_km_2 VARCHAR,
    official_name VARCHAR
) ### Response: SELECT COUNT(area_km_2) FROM table_name_87 WHERE official_name = "studholm"