When was commercial operation where construction started June 10, 1971?
CREATE TABLE table_name_27 (
    commercial_operation VARCHAR,
    construction_start VARCHAR
)
SELECT commercial_operation FROM table_name_27 WHERE construction_start = "june 10, 1971"
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: When was commercial operation where construction started June 10, 1971? ### Input: CREATE TABLE table_name_27 (
    commercial_operation VARCHAR,
    construction_start VARCHAR
) ### Response: SELECT commercial_operation FROM table_name_27 WHERE construction_start = "june 10, 1971"