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_24969173_1 (drying_shrinkage___percentage_ VARCHAR, dry_density__kg_m3_ VARCHAR)

### Question ###
If the dry density is 800, what is the drying shrinkage %?

### Accurate SQL ###

SELECT drying_shrinkage___percentage_ FROM table_24969173_1 WHERE dry_density__kg_m3_ = 800