Which Saturday has a Thursday of 木曜日 mokuyōbi
CREATE TABLE "east_asian_seven_luminaries" (
  "sunday" text,
  "monday" text,
  "tuesday" text,
  "wednesday" text,
  "thursday" text,
  "friday" text,
  "saturday" text
);
SELECT "saturday" FROM "east_asian_seven_luminaries" WHERE "thursday"='木曜日 mokuyōbi';