What event had a win, record of 8-1 and n/a round?
CREATE TABLE table_43816 (
    "Res." text,
    "Record" text,
    "Opponent" text,
    "Method" text,
    "Event" text,
    "Round" text
)
SELECT "Event" FROM table_43816 WHERE "Res." = 'win' AND "Round" = 'n/a' AND "Record" = '8-1'
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: What event had a win, record of 8-1 and n/a round? ### Input: CREATE TABLE table_43816 (
    "Res." text,
    "Record" text,
    "Opponent" text,
    "Method" text,
    "Event" text,
    "Round" text
) ### Response: SELECT "Event" FROM table_43816 WHERE "Res." = 'win' AND "Round" = 'n/a' AND "Record" = '8-1'