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

Question: Name the entrant for year less than 1990 and chassis of eurobrun er189
SQL: SELECT "entrant" FROM "complete_formula_one_world_championship_" WHERE "year"<1990 AND "chassis"='eurobrun er189';

Question: Name the engine for years before 1990 and chassis of eurobrun er189
SQL: SELECT "engine" FROM "complete_formula_one_world_championship_" WHERE "year"<1990 AND "chassis"='eurobrun er189';