how long was joseph black a coach ?
CREATE TABLE table_203_577 (
    id number,
    "tenure" text,
    "coach" text,
    "years" number,
    "record" text,
    "pct." number
)
SELECT "years" FROM table_203_577 WHERE "coach" = 'joseph black'
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: how long was joseph black a coach ? ### Input: CREATE TABLE table_203_577 (
    id number,
    "tenure" text,
    "coach" text,
    "years" number,
    "record" text,
    "pct." number
) ### Response: SELECT "years" FROM table_203_577 WHERE "coach" = 'joseph black'