Question: Which College/junior/club team (league) was the player from Switzerland from?
SQL: SELECT "College/junior/club team (league)" FROM "2-18259953-4" WHERE "Nationality" = 'Switzerland';

Question: Which player from the United States plays Defence and was chosen before round 5?
SQL: SELECT "Player" FROM "2-18259953-4" WHERE "Position" = 'Defence' AND "Round" < 5.0 AND "Nationality" = 'United States';