What is the date where the winner was the Oakland Raiders in 1975?
CREATE TABLE table_54230 (
    "Year" real,
    "Date" text,
    "Winner" text,
    "Result" text,
    "Loser" text,
    "Location" text
)
SELECT "Date" FROM table_54230 WHERE "Year" = '1975' AND "Winner" = 'oakland raiders'
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: What is the date where the winner was the Oakland Raiders in 1975? ### Input: CREATE TABLE table_54230 (
    "Year" real,
    "Date" text,
    "Winner" text,
    "Result" text,
    "Loser" text,
    "Location" text
) ### Response: SELECT "Date" FROM table_54230 WHERE "Year" = '1975' AND "Winner" = 'oakland raiders'