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_88 (modern_equivalent VARCHAR, province_of_silla VARCHAR, post_1009_province VARCHAR, administrative_district VARCHAR)

### Question ###
What kind of Modern equivalent has a Post-1009 province of gyeongsang -do, and a Administrative district of jinju -mok, and a Province of Silla of gangju?

### Accurate SQL ###

SELECT modern_equivalent FROM table_name_88 WHERE post_1009_province = "gyeongsang -do" AND administrative_district = "jinju -mok" AND province_of_silla = "gangju"