What is Method, when Location is "Tokyo , Japan", and when Event is "Rings: Millennium Combine 2"?
CREATE TABLE "mixed_martial_arts_record" (
  "res" text,
  "record" text,
  "opponent" text,
  "method" text,
  "event" text,
  "round" real,
  "location" text
);
SELECT "method" FROM "mixed_martial_arts_record" WHERE "location"='tokyo , japan' AND "event"='rings: millennium combine 2';