CREATE TABLE table_name_74 (born_died VARCHAR, left_office VARCHAR, throne_name VARCHAR)

What is teh born-died dates of the king with a throne name 315 and left office in 1021?
SELECT born_died FROM table_name_74 WHERE left_office = "1021" AND throne_name = "315"
SELECT "born_died" FROM "table_name_74" WHERE "1021" = "left_office" AND "315" = "throne_name"