Which mean pick number had a Reg GP of 0, and a Pl GP that was bigger than 0?
CREATE TABLE "list_of_vancouver_canucks_draft_picks" (
  "rd_num" real,
  "pick_num" real,
  "player" text,
  "reg_gp" real,
  "pl_gp" real
);
SELECT AVG("pick_num") FROM "list_of_vancouver_canucks_draft_picks" WHERE "reg_gp"=0 AND "pl_gp">0;