Which opponent is friendly and played on 15-08-2012?
CREATE TABLE table_10233 (
    "Date" text,
    "Venue" text,
    "Opponent" text,
    "Result" text,
    "Competition" text
)
SELECT "Opponent" FROM table_10233 WHERE "Competition" = 'friendly' AND "Date" = '15-08-2012'
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 opponent is friendly and played on 15-08-2012? ### Input: CREATE TABLE table_10233 (
    "Date" text,
    "Venue" text,
    "Opponent" text,
    "Result" text,
    "Competition" text
) ### Response: SELECT "Opponent" FROM table_10233 WHERE "Competition" = 'friendly' AND "Date" = '15-08-2012'