CREATE TABLE table_4121 ("Pick" TEXT, "Player" TEXT, "Position" TEXT, "Nationality" TEXT, "NHL team" TEXT, "College/junior/club team" TEXT)

What nationality was peter slamiar?
SELECT "Nationality" FROM table_4121 WHERE "Player" = 'Peter Slamiar'
SELECT "Nationality" FROM "table_4121" WHERE "Player" = 'Peter Slamiar'