CREATE TABLE table_16421 ("Condition" TEXT, "Prothrombin time" TEXT, "Partial thromboplastin time" TEXT, "Bleeding time" TEXT, "Platelet count" TEXT)

What were the bleeding times when both the platelet count was unaffected and the partial thromboplastin time was unaffected
SELECT "Bleeding time" FROM table_16421 WHERE "Partial thromboplastin time" = 'Unaffected' AND "Platelet count" = 'Unaffected'
SELECT "Bleeding time" FROM "table_16421" WHERE "Partial thromboplastin time" = 'Unaffected' AND "Platelet count" = 'Unaffected'