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

Question: Who has a round of 3 with a method of decision?
SQL: SELECT "opponent" FROM "mixed_martial_arts_record" WHERE "round"='3' AND "method"='decision';