Find the name of the swimmer who has at least 2 records.
SELECT t1.name FROM swimmer AS t1 JOIN record AS t2 ON t1.id  =  t2.swimmer_id GROUP BY t2.swimmer_id HAVING count(*)  >=  2
SELECT t1.name FROM swimmer AS t1 JOIN record AS t2 ON t1.id  =  t2.swimmer_id GROUP BY t2.swimmer_id HAVING count(*)  >=  2
[{'name': 'Sergiy Fesenko'}, {'name': 'Oussama Mellouli'}, {'name': 'Craig Stevens'}]