What is Opponent, when Event is "ISCF - Southeast Championships"?
CREATE TABLE "iscf_international_sport_combat_federati" (
  "res" text,
  "record" text,
  "opponent" text,
  "method" text,
  "event" text,
  "round" real,
  "location" text
);
SELECT "opponent" FROM "iscf_international_sport_combat_federati" WHERE "event"='iscf - southeast championships';