what date did the m3 motorsport team compete at winton motor raceway?
CREATE TABLE "race_calendar" (
  "circuit" text,
  "location_state" text,
  "date" text,
  "winning_driver" text,
  "team" text
);
SELECT "date" FROM "race_calendar" WHERE "team"='m3 motorsport' AND "circuit"='winton motor raceway';