Which Location has a Method of submission (rear naked choke), a Round of 1, and an Event of ufc 127?
CREATE TABLE "mixed_martial_arts_record" (
  "res" text,
  "record" text,
  "opponent" text,
  "method" text,
  "event" text,
  "round" real,
  "time" text,
  "location" text
);
SELECT "location" FROM "mixed_martial_arts_record" WHERE "method"='submission (rear naked choke)' AND "round"=1 AND "event"='ufc 127';