CREATE TABLE table_1213511_7 (college_junior_club_team VARCHAR2, nationality VARCHAR2, nhl_team VARCHAR2)

Which college/junior/club teams nationality is canada and nhl team is minnesota north stars
SELECT college_junior_club_team FROM table_1213511_7 WHERE nationality = "Canada" AND nhl_team = "Minnesota North Stars"
SELECT "college_junior_club_team" FROM "table_1213511_7" WHERE "Canada" = "nationality" AND "Minnesota North Stars" = "nhl_team"