CREATE TABLE "round_four" (
  "pick_num" real,
  "player" text,
  "position" text,
  "nationality" text,
  "nhl_team" text,
  "college_junior_club_team" text
);

Question: Which player was drafted by the Minnesota North Stars? 
SQL: SELECT "player" FROM "round_four" WHERE "nhl_team"='Minnesota North Stars';

Question: What is the nationality of Bob Essensa?
SQL: SELECT "nationality" FROM "round_four" WHERE "player"='Bob Essensa';

Question: What position is the player from the Regina Pats (WHL)?
SQL: SELECT "position" FROM "round_four" WHERE "college_junior_club_team"='Regina Pats (WHL)';

Question: What number pick was the player from HIFK Helsinki (Finland)?
SQL: SELECT "pick_num" FROM "round_four" WHERE "college_junior_club_team"='HIFK Helsinki (Finland)';

Question: Which team drafted Esa Tikkanen? 
SQL: SELECT "nhl_team" FROM "round_four" WHERE "player"='Esa Tikkanen';