CREATE TABLE table_15968 ("Pick" FLOAT, "Player" TEXT, "Position" TEXT, "Nationality" TEXT, "NHL team" TEXT, "College/junior/club team" TEXT)

The nhl team new york islanders is what nationality?
SELECT "Nationality" FROM table_15968 WHERE "NHL team" = 'New York Islanders'
SELECT "Nationality" FROM "table_15968" WHERE "NHL team" = 'New York Islanders'