Who was the opponent when the result was ud 12/12 and date was 1993-05-22?
CREATE TABLE table_17531 (
    "Number" real,
    "Name" text,
    "Titles" text,
    "Date" text,
    "Opponent" text,
    "Result" text,
    "Defenses" real
)
SELECT "Opponent" FROM table_17531 WHERE "Result" = 'UD 12/12' AND "Date" = '1993-05-22'
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 opponent when the result was ud 12/12 and date was 1993-05-22? ### Input: CREATE TABLE table_17531 (
    "Number" real,
    "Name" text,
    "Titles" text,
    "Date" text,
    "Opponent" text,
    "Result" text,
    "Defenses" real
) ### Response: SELECT "Opponent" FROM table_17531 WHERE "Result" = 'UD 12/12' AND "Date" = '1993-05-22'