How many years did John Player Lotus used Cosworth v8?
CREATE TABLE table_70744 (
    "Year" real,
    "Entrant" text,
    "Chassis" text,
    "Engine" text,
    "Points" real
)
SELECT SUM("Year") FROM table_70744 WHERE "Engine" = 'cosworth v8' AND "Entrant" = 'john player lotus'
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: How many years did John Player Lotus used Cosworth v8? ### Input: CREATE TABLE table_70744 (
    "Year" real,
    "Entrant" text,
    "Chassis" text,
    "Engine" text,
    "Points" real
) ### Response: SELECT SUM("Year") FROM table_70744 WHERE "Engine" = 'cosworth v8' AND "Entrant" = 'john player lotus'