What is the 7:00 feature with entertainment tonight at 7:30?
CREATE TABLE "friday" (
  "7_00" text,
  "7_30" text,
  "8_00" text,
  "8_30" text,
  "9_00" text,
  "9_30" text,
  "10_00" text
);
SELECT "7_00" FROM "friday" WHERE "7_30"='entertainment tonight';