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_name_10 ( round INTEGER, position VARCHAR, overall VARCHAR )

### Question ###
What was the sum of the rounds for the player who had a position of LS and an overall draft pick bigger than 230?

### Accurate SQL ###

SELECT SUM(round) FROM table_name_10 WHERE position = "ls" AND overall > 230