CREATE TABLE "complete_american_le_mans_series_results" (
  "year" real,
  "entrant" text,
  "class" text,
  "chassis" text,
  "engine" text,
  "tyres" text,
  "rank" text,
  "points" real
);

Question: What engine what in the vehicle when adt champion racing ranked in 1st place?
SQL: SELECT "engine" FROM "complete_american_le_mans_series_results" WHERE "rank"='1st' AND "entrant"='adt champion racing';

Question: What Chassis ranked 18th?
SQL: SELECT "chassis" FROM "complete_american_le_mans_series_results" WHERE "rank"='18th';

Question: What was the class when adt champion racing ranked 1st with an audi r8 chassis, and less than 206 points?
SQL: SELECT "class" FROM "complete_american_le_mans_series_results" WHERE "points"<206 AND "chassis"='audi r8' AND "entrant"='adt champion racing' AND "rank"='1st';