text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_name_1 (partial_thromboplastin_time VARCHAR, condition VARCHAR, prothrombin_time VARCHAR, bleeding_time VARCHAR)
  ### Question:
  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
  ### Answer:
  SELECT partial_thromboplastin_time FROM table_name_1 WHERE prothrombin_time = "prolonged" AND bleeding_time = "unaffected" AND condition = "vitamin k deficiency or warfarin"