Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE event ( stadium_id VARCHAR, id VARCHAR )
TABLE: CREATE TABLE record ( event_id VARCHAR )
TABLE: CREATE TABLE stadium ( name VARCHAR, id VARCHAR )

### Question ###
Find the names of stadiums that the most swimmers have been to.

### Accurate SQL ###

SELECT t3.name FROM record AS t1 JOIN event AS t2 ON t1.event_id = t2.id JOIN stadium AS t3 ON t3.id = t2.stadium_id GROUP BY t2.stadium_id ORDER BY COUNT(*) DESC LIMIT 1