CREATE TABLE "calendar" (
  "date" text,
  "race" text,
  "circuit" text,
  "location" text,
  "winner" text
);

Question: what is the location when the circuit is lowood circuit and the race is lowood trophy?
SQL: SELECT "location" FROM "calendar" WHERE "circuit"='lowood circuit' AND "race"='lowood trophy';

Question: what is the race on 23 october?
SQL: SELECT "race" FROM "calendar" WHERE "date"='23 october';

Question: what is the circuit when the winner is stan jones and the race is phillip island trophy race?
SQL: SELECT "circuit" FROM "calendar" WHERE "winner"='stan jones' AND "race"='phillip island trophy race';