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_204_405 ( id number, "team 1" text, "agg." text, "team 2" text, "1st leg" text, "2nd leg" text )

### Question ###
what is the total points scored in the second round by all teams ?

### Accurate SQL ###

SELECT SUM("2nd leg" + "2nd leg") FROM table_204_405