Show the working years of managers in descending order of their level.
CREATE TABLE railway_manage (
    railway_id number,
    manager_id number,
    from_year text
)

CREATE TABLE train (
    train_id number,
    train_num text,
    name text,
    from text,
    arrival text,
    railway_id number
)

CREATE TABLE railway (
    railway_id number,
    railway text,
    builder text,
    built text,
    wheels text,
    location text,
    objectnumber text
)

CREATE TABLE manager (
    manager_id number,
    name text,
    country text,
    working_year_starts text,
    age number,
    level number
)
SELECT working_year_starts FROM manager ORDER BY level DESC
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: Show the working years of managers in descending order of their level. ### Input: CREATE TABLE railway_manage (
    railway_id number,
    manager_id number,
    from_year text
)

CREATE TABLE train (
    train_id number,
    train_num text,
    name text,
    from text,
    arrival text,
    railway_id number
)

CREATE TABLE railway (
    railway_id number,
    railway text,
    builder text,
    built text,
    wheels text,
    location text,
    objectnumber text
)

CREATE TABLE manager (
    manager_id number,
    name text,
    country text,
    working_year_starts text,
    age number,
    level number
) ### Response: SELECT working_year_starts FROM manager ORDER BY level DESC