What was Gassaway's record at the fight in mississippi, united states against anthony macias?
CREATE TABLE "mixed_martial_arts_record" (
  "res" text,
  "record" text,
  "opponent" text,
  "method" text,
  "round" text,
  "location" text
);
SELECT "record" FROM "mixed_martial_arts_record" WHERE "location"='mississippi, united states' AND "opponent"='anthony macias';