CREATE TABLE "nfl_draft" (
  "round" real,
  "overall" real,
  "player" text,
  "position" text,
  "school_club_team" text
);

Question: Which school(s) had a wide receiver drafted in round 4?
SQL: SELECT "school_club_team" FROM "nfl_draft" WHERE "round">4 AND "position"='wide receiver';