How many dfb-pokal did kevin-prince boateng have?
CREATE TABLE "goalscorers" (
  "player" text,
  "bundesliga" real,
  "dfb_pokal" real,
  "uefa_intertoto_cup" real,
  "uefa_cup" real,
  "dfb_ligapokal" real,
  "total" real
);
SELECT COUNT("dfb_pokal") FROM "goalscorers" WHERE "player"='Kevin-Prince Boateng';