What competition, federation, or league are the Tennessee Titans a member of?
CREATE TABLE "list_of_winners" (
  "year" real,
  "sportsperson" text,
  "nationality" text,
  "team" text,
  "competition_federation_or_league" text,
  "sport" text
);
SELECT "competition_federation_or_league" FROM "list_of_winners" WHERE "team"='tennessee titans';