user: Question: How many conditions have an Unaffected prothrombin time and a Prolonged bleeding time
Columns: ['Condition', 'Prothrombin time', 'Partial thromboplastin time', 'Bleeding time', 'Platelet count']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Vitamin K deficiency or warfarin', 'Prolonged', 'Normal or mildly prolonged', 'Unaffected', 'Unaffected']
SQL:

assistant: SELECT COUNT("Condition") FROM "Table" WHERE "Prothrombin time" = 'Unaffected' AND "Bleeding time" = 'Prolonged';