Question: Which NHL team chose an American player from the United States Hockey League?
SQL: SELECT "NHL team" FROM "2-18026409-6" WHERE "Nationality" = 'United States' AND "League from" = 'United States Hockey League';

Question: What is the nationality of player Jani Hakanpaa?
SQL: SELECT "Nationality" FROM "2-18026409-6" WHERE "Player" = 'Jani Hakanpaa';

Question: From which league is the player chosen by the Atlanta Thrashers (from Dallas) 6?
SQL: SELECT "League from" FROM "2-18026409-6" WHERE "NHL team" = 'Atlanta Thrashers (from Dallas) 6';