What type of engine does a 1951 alfa romeo 159m chasis have?
CREATE TABLE table_70204 (
    "Year" real,
    "Entrant" text,
    "Chassis" text,
    "Engine" text,
    "Points" real
)
SELECT "Engine" FROM table_70204 WHERE "Year" = '1951' AND "Chassis" = 'alfa romeo 159m'
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 type of engine does a 1951 alfa romeo 159m chasis have? ### Input: CREATE TABLE table_70204 (
    "Year" real,
    "Entrant" text,
    "Chassis" text,
    "Engine" text,
    "Points" real
) ### Response: SELECT "Engine" FROM table_70204 WHERE "Year" = '1951' AND "Chassis" = 'alfa romeo 159m'