Who played against Hapoel tel aviv when they were team #1?
CREATE TABLE table_39873 (
    "Team #1" text,
    "Agg." text,
    "Team #2" text,
    "1st leg" text,
    "2nd leg" text
)
SELECT "Team #2" FROM table_39873 WHERE "Team #1" = 'hapoel tel aviv'
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: Who played against Hapoel tel aviv when they were team #1? ### Input: CREATE TABLE table_39873 (
    "Team #1" text,
    "Agg." text,
    "Team #2" text,
    "1st leg" text,
    "2nd leg" text
) ### Response: SELECT "Team #2" FROM table_39873 WHERE "Team #1" = 'hapoel tel aviv'