Class of 500cc, and a Wins smaller than 0 had what average year?
CREATE TABLE table_name_75 (
    year INTEGER,
    class VARCHAR,
    wins VARCHAR
)
SELECT AVG(year) FROM table_name_75 WHERE class = "500cc" AND wins < 0
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: Class of 500cc, and a Wins smaller than 0 had what average year? ### Input: CREATE TABLE table_name_75 (
    year INTEGER,
    class VARCHAR,
    wins VARCHAR
) ### Response: SELECT AVG(year) FROM table_name_75 WHERE class = "500cc" AND wins < 0