Question: At least how many Jews was the unit Joachim Hamann commanded responsible for killing?
Sentence (from "Rollkommando Hamann"): Rollkommando Hamann (Lithuanian: "skrajojantis būrys" ) was a small mobile unit that committed mass murders of Lithuanian Jews in the countryside in July–October 1941, with a death toll of at least 60.000 Jews.
Relevant evidence: Yes