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

Question: What method was used in the match that went to round 1, and had a 6-3-1 record?
SQL: SELECT "method" FROM "mixed_martial_arts_record" WHERE "round"=1 AND "record"='6-3-1';

Question: In the match against Marcus Aurélio with a method of decision (unanimous), what was the results?
SQL: SELECT "res" FROM "mixed_martial_arts_record" WHERE "method"='decision (unanimous)' AND "opponent"='marcus aurélio';

Question: Where was the Deep - 30 Impact event held?
SQL: SELECT "location" FROM "mixed_martial_arts_record" WHERE "event"='deep - 30 impact';