Where was the location when the record was 12-5?
CREATE TABLE "mixed_martial_arts_career" (
  "res" text,
  "record" text,
  "opponent" text,
  "method" text,
  "event" text,
  "round" real,
  "time" text,
  "location" text
);
SELECT "location" FROM "mixed_martial_arts_career" WHERE "record"='12-5';