Who was in third place when Guy Sebastian was the winning mentor and Andrew Wishart was the runner-up?
CREATE TABLE "series_summary" (
  "series" text,
  "start" text,
  "finish" text,
  "winner" text,
  "runner_up" text,
  "third_place" text,
  "winning_mentor" text,
  "main_host" text
);
SELECT "third_place" FROM "series_summary" WHERE "winning_mentor"='guy sebastian' AND "runner_up"='andrew wishart';