Table: flyers_season_2003
Columns: round
player
position
nationality
college_junior_club_team_league

Question: Which Nationality has a Position of defense, and a Player of nikita korovkin?
SQL: SELECT "nationality" FROM flyers_season_2003 WHERE "position" = 'defense' AND "player" = 'nikita korovkin'

Question: Which Nationality has a Position of left wing?
SQL: SELECT "nationality" FROM flyers_season_2003 WHERE "position" = 'left wing'

Question: Which Player has a Position of forward?
SQL: SELECT "player" FROM flyers_season_2003 WHERE "position" = 'forward'