CREATE TABLE "professional_sports" (
  "club" text,
  "sport" text,
  "league" text,
  "venue" text,
  "established" real,
  "championships" real
);

Question: How many championships did the team or teams established in 1976 win?
SQL: SELECT SUM("championships") FROM "professional_sports" WHERE "established"=1976;

Question: Which WNBA team that won at least 2 championships was established most recently?
SQL: SELECT MAX("established") FROM "professional_sports" WHERE "league"='wnba' AND "championships">2;

Question: What are the venues that host WNBA games?
SQL: SELECT "venue" FROM "professional_sports" WHERE "league"='wnba';