CREATE TABLE "formula_one_world_championship_results" (
  "year" real,
  "entrant" text,
  "chassis" text,
  "engine" text,
  "points" real
);

Question: Which engine has a Chassis of lotus 44 f2?
SQL: SELECT "engine" FROM "formula_one_world_championship_results" WHERE "chassis"='lotus 44 f2';

Question: What entrant appeared in 1969?
SQL: SELECT "entrant" FROM "formula_one_world_championship_results" WHERE "year"=1969;

Question: Which engine has a Year larger than 1969?
SQL: SELECT "engine" FROM "formula_one_world_championship_results" WHERE "year">1969;

Question: What is the largest year with an Entrant of ron harris / team lotus?
SQL: SELECT MAX("year") FROM "formula_one_world_championship_results" WHERE "entrant"='ron harris / team lotus';