Which Position has a D.O.B. of 3 june 1989?
CREATE TABLE "player_roster" (
  "surname" text,
  "first" text,
  "d_o_b" text,
  "bats" text,
  "throws" text,
  "position" text
);
SELECT "position" FROM "player_roster" WHERE "d_o_b"='3 june 1989';