Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_49 ( prothrombin_time VARCHAR, condition VARCHAR, partial_thromboplastin_time VARCHAR, bleeding_time VARCHAR )

### Question ###
I want the prothrombin time with a partial thromboplastin time of prolonged and unaffected bleeding time and factor xii deficiency for condition of factor

### Accurate SQL ###

SELECT prothrombin_time FROM table_name_49 WHERE partial_thromboplastin_time = "prolonged" AND bleeding_time = "unaffected" AND condition = "factor xii deficiency"