CREATE TABLE "washington_redskins_draft_history" (
  "round" real,
  "pick" real,
  "overall" real,
  "name" text,
  "position" text,
  "college" text
);

Question: What was the overall draft pick of the player who was a db and attended college in iowa?
SQL: SELECT "overall" FROM "washington_redskins_draft_history" WHERE "college"='iowa' AND "position"='db';

Question: What number pick was the player drafted in round 3 at #28 overall?
SQL: SELECT AVG("pick") FROM "washington_redskins_draft_history" WHERE "overall"<28 AND "round"=3;