What is the days held the champion with a reign larger than 3 and 1 defense has?
CREATE TABLE "list_of_champions" (
  "name" text,
  "reign" real,
  "days_held" text,
  "location" text,
  "defenses" real
);
SELECT "days_held" FROM "list_of_champions" WHERE "reign">3 AND "defenses"=1;