Name the date when the visitor is nets
CREATE TABLE table_11821 (
    "Date" text,
    "Visitor" text,
    "Score" text,
    "Home" text,
    "Leading scorer" text,
    "Attendance" real,
    "Record" text
)
SELECT "Date" FROM table_11821 WHERE "Visitor" = 'nets'
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: Name the date when the visitor is nets ### Input: CREATE TABLE table_11821 (
    "Date" text,
    "Visitor" text,
    "Score" text,
    "Home" text,
    "Leading scorer" text,
    "Attendance" real,
    "Record" text
) ### Response: SELECT "Date" FROM table_11821 WHERE "Visitor" = 'nets'