When was G teborg the opponent with a score of 3-1?
CREATE TABLE table_name_9 (
    date VARCHAR,
    opponents VARCHAR,
    score VARCHAR
)
SELECT date FROM table_name_9 WHERE opponents = "göteborg" AND score = "3-1"
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: When was G teborg the opponent with a score of 3-1? ### Input: CREATE TABLE table_name_9 (
    date VARCHAR,
    opponents VARCHAR,
    score VARCHAR
) ### Response: SELECT date FROM table_name_9 WHERE opponents = "göteborg" AND score = "3-1"