What runner(s)-up has 1 (2013) as the champions?
CREATE TABLE "performance_by_team" (
  "champions" text,
  "runners_up" text,
  "third_place" text,
  "fourth_place" text,
  "semi_finalists" text
);
SELECT "runners_up" FROM "performance_by_team" WHERE "champions"='1 (2013)';