What is the lowest draft pick number for mark doak who had an overall pick smaller than 147?
CREATE TABLE "washington_redskins_draft_history" (
  "round" real,
  "pick" real,
  "overall" real,
  "name" text,
  "position" text,
  "college" text
);
SELECT MIN("pick") FROM "washington_redskins_draft_history" WHERE "name"='mark doak' AND "overall"<147;