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 table_203_541 ( id number, "games" text, "host city" text, "dates" text, "nations" number, "participants" number, "events" number )

### Question ###
what was the number of nations that participated in the 1996 summer olympics ?

### Accurate SQL ###

SELECT "nations" FROM table_203_541 WHERE "games" = '1996 summer olympics'