what is the location when the event is k-1 world grand prix 2004 in saitama?
CREATE TABLE "kickboxing_record" (
  "date" text,
  "result" text,
  "opponent" text,
  "event" text,
  "location" text,
  "method" text,
  "record" text
);
SELECT "location" FROM "kickboxing_record" WHERE "event"='k-1 world grand prix 2004 in saitama';