CREATE TABLE table_36348 ("Throne Name" TEXT, "Title" TEXT, "Born-Died" TEXT, "Entered office" TEXT, "Left office" TEXT, "Family Relations" TEXT)

What is teh born-died dates of the king with a throne name 315 and left office in 1021?
SELECT "Born-Died" FROM table_36348 WHERE "Left office" = '1021' AND "Throne Name" = '315'
SELECT "Born-Died" FROM "table_36348" WHERE "Left office" = '1021' AND "Throne Name" = '315'