What is the percentage of total area in the ecozone that the area is 1782252 km2?
CREATE TABLE table_15555661_2 (
    percentage_of_total_area VARCHAR,
    area__km²_ VARCHAR
)
SELECT percentage_of_total_area FROM table_15555661_2 WHERE area__km²_ = 1782252
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 percentage of total area in the ecozone that the area is 1782252 km2? ### Input: CREATE TABLE table_15555661_2 (
    percentage_of_total_area VARCHAR,
    area__km²_ VARCHAR
) ### Response: SELECT percentage_of_total_area FROM table_15555661_2 WHERE area__km²_ = 1782252