Who was the winning team before 1956 on October 21?
CREATE TABLE table_47293 (
    "Year" real,
    "Date" text,
    "Winner" text,
    "Result" text,
    "Loser" text,
    "Location" text
)
SELECT "Winner" FROM table_47293 WHERE "Year" < '1956' AND "Date" = 'october 21'
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: Who was the winning team before 1956 on October 21? ### Input: CREATE TABLE table_47293 (
    "Year" real,
    "Date" text,
    "Winner" text,
    "Result" text,
    "Loser" text,
    "Location" text
) ### Response: SELECT "Winner" FROM table_47293 WHERE "Year" < '1956' AND "Date" = 'october 21'