C)6 million
There is still today a debate for such amount since no single wartime document created by Nazi officials is found conclusive. The number includes almost 1.3 Soviet Jewish civilians, who are included in the 6 million figure. Estimates for Six million Jews being killed during the Shoah (name to the Holocaust by the Jews), seems to have first been confessed by Dr. Wilhelm Hoettl, an Austrian official in the Third Reich with training in History who served in the SS. In November 1945, in the Nuremberg trials, being accused of Nazi war crimes, he confessed. The number is found again in the 1961 trial in Israel of Adolf Eichmann, where he refers to that record