CREATE TABLE "mixed_martial_arts_record" (
  "res" text,
  "record" text,
  "opponent" text,
  "method" text,
  "event" text,
  "round" real,
  "time" text,
  "location" text
);

Question: What's the total number of rounds with a win result at the sf 5: stadium event?
SQL: SELECT COUNT("round") FROM "mixed_martial_arts_record" WHERE "res"='win' AND "event"='sf 5: stadium';

Question: What location was fábio maldonado the opponent at?
SQL: SELECT "location" FROM "mixed_martial_arts_record" WHERE "opponent"='fábio maldonado';