What is the QLD Cup Premierships if team is Gold Coast Vikings?
CREATE TABLE "previous_teams" (
  "team" text,
  "location" text,
  "home_ground" text,
  "first_year_in_qld_cup" real,
  "last_year_in_qld_cup" real,
  "qld_cup_premierships" text
);
SELECT "qld_cup_premierships" FROM "previous_teams" WHERE "team"='Gold Coast Vikings';