What's on at 7:30 before the 9:00 showing of the Tudors?
CREATE TABLE "tuesday" (
  "7_00" text,
  "7_30" text,
  "8_00" text,
  "8_30" text,
  "9_00" text,
  "9_30" text,
  "10_00" text
);
SELECT "7_30" FROM "tuesday" WHERE "9_00"='the tudors';