CREATE TABLE table_name_33 (province_of_silla VARCHAR, modern_equivalent VARCHAR, administrative_district VARCHAR)

WHich Province of Silla has a Modern equivalent of south jeolla, and a Administrative district of seungju?
SELECT province_of_silla FROM table_name_33 WHERE modern_equivalent = "south jeolla" AND administrative_district = "seungju"
SELECT "province_of_silla" FROM "table_name_33" WHERE "administrative_district" = "seungju" AND "modern_equivalent" = "south jeolla"