CREATE TABLE table_5923 ("Round" TEXT, "Player" TEXT, "Position" TEXT, "Nationality" TEXT, "College/Junior/Club Team  ( League ) " TEXT)

Mike Crowley plays defense for league?
SELECT "College/Junior/Club Team (League)" FROM table_5923 WHERE "Position" = 'defense' AND "Player" = 'mike crowley'
SELECT "College/Junior/Club Team (League)" FROM "table_5923" WHERE "Player" = 'mike crowley' AND "Position" = 'defense'