What was the lowest Pick number of Player Brian Bradley from Canada, in a Draft year before 1985?
CREATE TABLE "draft_picks" (
  "draft" real,
  "round" text,
  "pick" real,
  "player" text,
  "nationality" text
);
SELECT MIN("pick") FROM "draft_picks" WHERE "nationality"='canada' AND "draft"<1985 AND "player"='brian bradley';