CREATE TABLE table_5637 ("Round" FLOAT, "Player" TEXT, "Position" TEXT, "Nationality" TEXT, "College/Junior/Club Team  ( League ) " TEXT)

What player has a round larger than 6 with a D position.
SELECT "Player" FROM table_5637 WHERE "Round" > '6' AND "Position" = 'd'
SELECT "Player" FROM "table_5637" WHERE "Position" = 'd' AND "Round" > '6'