Who was the player with a debut of age 18 v plymouth , 14 august 2012, and born in Portsmouth?
CREATE TABLE "academy_graduates_2000_present" (
  "player" text,
  "current_club" text,
  "born" text,
  "debut" text,
  "manager" text
);
SELECT "player" FROM "academy_graduates_2000_present" WHERE "debut"='age 18 v plymouth , 14 august 2012' AND "born"='portsmouth';