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_9408 ( "Club" text, "Played" text, "Drawn" text, "Lost" text, "Points for" text, "Points against" text, "Points difference" text, "Bonus Points" text, "Points" text )

### Question ###
How many rounds were played in the matching resulting in a Points For score of 343?

### Accurate SQL ###

SELECT "Played" FROM table_9408 WHERE "Points for" = '343'