What played at 8:00 when Grey's Anatomy played at 9:00 and Ugly Betty played at 8:30?
CREATE TABLE "thursday" (
  "8_00" text,
  "8_30" text,
  "9_00" text,
  "9_30" text,
  "10_00" text
);
SELECT "8_00" FROM "thursday" WHERE "9_00"='grey''s anatomy' AND "8_30"='ugly betty';