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_528 ( id number, "year" number, "political rights" number, "civil liberties" number, "status" text, "president" text )

### Question ###
how long did it take for civil liberties to decrease below 6 ?

### Accurate SQL ###

SELECT COUNT(*) FROM table_203_528 WHERE id < (SELECT id FROM table_203_528 WHERE "civil liberties" < 6)