CREATE TABLE "current_iwa_champions" (
  "championship" text,
  "champion_s" text,
  "previous_champion_s" text,
  "date_won" text,
  "location" text
);

Question: What tourmament has Genesis won previously?
SQL: SELECT "championship" FROM "current_iwa_champions" WHERE "previous_champion_s"='Genesis';

Question: Who was the champion prior to Xix Xavant?
SQL: SELECT "previous_champion_s" FROM "current_iwa_champions" WHERE "champion_s"='Xix Xavant';

Question: Who are the champions that have won at Aguas Buenas, Puerto Rico?
SQL: SELECT "champion_s" FROM "current_iwa_champions" WHERE "location"='Aguas Buenas, Puerto Rico';