What is the 5pm show where CBS This Morning is on at 7am?
CREATE TABLE "winter_1999_2000" (
  "7_00_am" text,
  "7_30_am" text,
  "8_00_am" text,
  "9_00_am" text,
  "10_00_am" text,
  "11_00_am" text,
  "noon" text,
  "12_30_pm" text,
  "1_00_pm" text,
  "1_30_pm" text,
  "2_00_pm" text,
  "3_00_pm" text,
  "3_30_pm" text,
  "5_00_pm" text,
  "6_30_pm" text
);
SELECT "5_00_pm" FROM "winter_1999_2000" WHERE "7_00_am"='cbs this morning';