Which Opponent has a Time of 2:31?
CREATE TABLE table_36964 (
    "Res." text,
    "Record" text,
    "Opponent" text,
    "Method" text,
    "Event" text,
    "Round" real,
    "Time" text
)
SELECT "Opponent" FROM table_36964 WHERE "Time" = '2:31'
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 Opponent has a Time of 2:31? ### Input: CREATE TABLE table_36964 (
    "Res." text,
    "Record" text,
    "Opponent" text,
    "Method" text,
    "Event" text,
    "Round" real,
    "Time" text
) ### Response: SELECT "Opponent" FROM table_36964 WHERE "Time" = '2:31'