When did Manny Pacquiao win his first championship?
CREATE TABLE "list_of_winners" (
  "year" real,
  "fighter" text,
  "nation_represented" text,
  "sport" text,
  "sanctioning_body_or_league" text,
  "weight_class_represented_or_contested" text
);
SELECT MIN("year") FROM "list_of_winners" WHERE "fighter"='manny pacquiao';