What engine was used during the race driven by Jan Lammers using a chassis of d3 d4, making a tyre of g and rounds of 4-6?
CREATE TABLE table_52993 (
    "Constructor" text,
    "Chassis" text,
    "Engine" text,
    "Tyres" text,
    "Driver" text,
    "Rounds" text
)
SELECT "Engine" FROM table_52993 WHERE "Tyres" = 'g' AND "Chassis" = 'd3 d4' AND "Driver" = 'jan lammers' AND "Rounds" = '4-6'
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 engine was used during the race driven by Jan Lammers using a chassis of d3 d4, making a tyre of g and rounds of 4-6? ### Input: CREATE TABLE table_52993 (
    "Constructor" text,
    "Chassis" text,
    "Engine" text,
    "Tyres" text,
    "Driver" text,
    "Rounds" text
) ### Response: SELECT "Engine" FROM table_52993 WHERE "Tyres" = 'g' AND "Chassis" = 'd3 d4' AND "Driver" = 'jan lammers' AND "Rounds" = '4-6'