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_24519 ( "Period" real, "Civilians" text, "Security forces" text, "Insurgents" text, "Total per period" real )

### Question ###
What are the security forces when the civilians are 202?

### Accurate SQL ###

SELECT "Security forces" FROM table_24519 WHERE "Civilians" = '202'