Which 10:30 has an 8:30 of la soirée du hockey?
CREATE TABLE "saturday" (
  "7_00" text,
  "7_30" text,
  "8_00" text,
  "8_30" text,
  "9_00" text,
  "10_00" text,
  "10_30" text
);
SELECT "10_30" FROM "saturday" WHERE "8_30"='la soirée du hockey';