Which removal treaty covered the chickasaw nation?
CREATE TABLE table_name_32 (
    removal_treaty__year_signed_ VARCHAR,
    nation VARCHAR
)
SELECT removal_treaty__year_signed_ FROM table_name_32 WHERE nation = "chickasaw"
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: Which removal treaty covered the chickasaw nation? ### Input: CREATE TABLE table_name_32 (
    removal_treaty__year_signed_ VARCHAR,
    nation VARCHAR
) ### Response: SELECT removal_treaty__year_signed_ FROM table_name_32 WHERE nation = "chickasaw"