How many conditions have an unaffected prothrombin time and a prolonged bleeding time
CREATE TABLE "laboratory_findings_in_various_platelet_" (
  "condition" text,
  "prothrombin_time" text,
  "partial_thromboplastin_time" text,
  "bleeding_time" text,
  "platelet_count" text
);
SELECT COUNT("condition") FROM "laboratory_findings_in_various_platelet_" WHERE "prothrombin_time"='Unaffected' AND "bleeding_time"='Prolonged';