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

Question: Who was the previous champion of the title won on July 7, 2010?
SQL: SELECT "previous_champion_s" FROM "current_iwa_champions" WHERE "date_won"='july 7, 2010';

Question: When did Bonecrusher win the championship at Bayamón, Puerto Rico?
SQL: SELECT "date_won" FROM "current_iwa_champions" WHERE "location"='bayamón, puerto rico' AND "champion_s"='bonecrusher';

Question: Who is the champion of the title previously held by Lash?
SQL: SELECT "champion_s" FROM "current_iwa_champions" WHERE "previous_champion_s"='lash';

Question: Which championship was won on July 7, 2010?
SQL: SELECT "championship" FROM "current_iwa_champions" WHERE "date_won"='july 7, 2010';