What was the year when the diameter was 729 km?
CREATE TABLE table_name_59 (
    year_named VARCHAR,
    diameter__km_ VARCHAR
)
SELECT year_named FROM table_name_59 WHERE diameter__km_ = 729
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 was the year when the diameter was 729 km? ### Input: CREATE TABLE table_name_59 (
    year_named VARCHAR,
    diameter__km_ VARCHAR
) ### Response: SELECT year_named FROM table_name_59 WHERE diameter__km_ = 729