CREATE TABLE table_12577 ("Version" TEXT, "Fairing" TEXT, "CCBs" FLOAT, "SRBs" TEXT, "Upper stage" TEXT, "Payload to LEO" TEXT, "Payload to GTO" TEXT, "Launches to date" FLOAT)

What Upper stage has Launches to date of 0, and Version of 532?
SELECT "Upper stage" FROM table_12577 WHERE "Launches to date" = '0' AND "Version" = '532'
SELECT "Upper stage" FROM "table_12577" WHERE "Launches to date" = '0' AND "Version" = '532'