Which Wins have a Year of 1963, and a Class of 50cc?
CREATE TABLE table_37569 (
    "Year" real,
    "Class" text,
    "Team" text,
    "Points" real,
    "Wins" real
)
SELECT AVG("Wins") FROM table_37569 WHERE "Year" = '1963' AND "Class" = '50cc'
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 Wins have a Year of 1963, and a Class of 50cc? ### Input: CREATE TABLE table_37569 (
    "Year" real,
    "Class" text,
    "Team" text,
    "Points" real,
    "Wins" real
) ### Response: SELECT AVG("Wins") FROM table_37569 WHERE "Year" = '1963' AND "Class" = '50cc'