What college was the draft pick number larger than 18 that went to the Barangay ginebra kings?
CREATE TABLE "round_3" (
  "pick" real,
  "player" text,
  "country_of_origin" text,
  "pba_team" text,
  "college" text
);
SELECT "college" FROM "round_3" WHERE "pick">18 AND "pba_team"='barangay ginebra kings';