What are the highest points that have a Mugen V8 engine and happened in 1991?
CREATE TABLE table_70743 (
    "Year" real,
    "Chassis" text,
    "Engine" text,
    "Tyres" text,
    "Points" real
)
SELECT MAX("Points") FROM table_70743 WHERE "Engine" = 'mugen v8' AND "Year" = '1991'
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 are the highest points that have a Mugen V8 engine and happened in 1991? ### Input: CREATE TABLE table_70743 (
    "Year" real,
    "Chassis" text,
    "Engine" text,
    "Tyres" text,
    "Points" real
) ### Response: SELECT MAX("Points") FROM table_70743 WHERE "Engine" = 'mugen v8' AND "Year" = '1991'