Question: What are these three swimmers' nationalities?
SQL: SELECT t1.name, t1.Nationality FROM swimmer AS t1 JOIN record AS t2 ON t1.id   =   t2.swimmer_id WHERE RESULT   =   'Win' INTERSECT SELECT t1.name, t1.Nationality  FROM swimmer AS t1 JOIN record AS t2 ON t1.id   =   t2.swimmer_id WHERE RESULT   =   'Loss'