Question: What is the nationality of the Washington Capitals?
SQL: SELECT "Nationality" FROM "2-1013129-7" WHERE "NHL team" = 'Washington Capitals';

Question: On what NHL team does Roman Vopat play for?
SQL: SELECT "NHL team" FROM "2-1013129-7" WHERE "Player" = 'Roman Vopat';

Question: What is the position of the player from the Ukraine?
SQL: SELECT "Position" FROM "2-1013129-7" WHERE "Nationality" = 'Ukraine';