text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_name_1 (engine VARCHAR, rounds VARCHAR, driver VARCHAR, tyres VARCHAR, chassis VARCHAR)
  ### Question:
  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?
  ### Answer:
  SELECT engine FROM table_name_1 WHERE tyres = "g" AND chassis = "d3 d4" AND driver = "jan lammers" AND rounds = "4-6"