What is week 3 when week 6 is 26.05?
CREATE TABLE "scores" (
  "week_2" text,
  "week_3" text,
  "week_4" text,
  "week_5" text,
  "week_6" text,
  "week_7" text
);
SELECT "week_3" FROM "scores" WHERE "week_6"='26.05';