Tell me the date for acts of 6 bands and year larger than 1981 for monsters of rock
CREATE TABLE table_name_4 (
    date VARCHAR,
    event VARCHAR,
    acts VARCHAR,
    year VARCHAR
)
SELECT date FROM table_name_4 WHERE acts = "6 bands" AND year > 1981 AND event = "monsters of rock"
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: Tell me the date for acts of 6 bands and year larger than 1981 for monsters of rock ### Input: CREATE TABLE table_name_4 (
    date VARCHAR,
    event VARCHAR,
    acts VARCHAR,
    year VARCHAR
) ### Response: SELECT date FROM table_name_4 WHERE acts = "6 bands" AND year > 1981 AND event = "monsters of rock"