CREATE TABLE table_name_1 (partial_thromboplastin_time VARCHAR2, condition VARCHAR2, prothrombin_time VARCHAR2, bleeding_time VARCHAR2)

Which Partial thromboplastin time has a Prothrombin time of prolonged, and a Bleeding time of unaffected, and a Condition of vitamin k deficiency or warfarin? Question 6
SELECT partial_thromboplastin_time FROM table_name_1 WHERE prothrombin_time = "prolonged" AND bleeding_time = "unaffected" AND condition = "vitamin k deficiency or warfarin"
SELECT "partial_thromboplastin_time" FROM "table_name_1" WHERE "bleeding_time" = "unaffected" AND "condition" = "vitamin k deficiency or warfarin" AND "prolonged" = "prothrombin_time"