Which Tournament has a Opponent of piero luisi?
CREATE TABLE table_12279 (
    "Outcome" text,
    "Date" text,
    "Tournament" text,
    "Surface" text,
    "Opponent" text,
    "Score" text
)
SELECT "Tournament" FROM table_12279 WHERE "Opponent" = 'piero luisi'
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 Tournament has a Opponent of piero luisi? ### Input: CREATE TABLE table_12279 (
    "Outcome" text,
    "Date" text,
    "Tournament" text,
    "Surface" text,
    "Opponent" text,
    "Score" text
) ### Response: SELECT "Tournament" FROM table_12279 WHERE "Opponent" = 'piero luisi'