Context: Elimination of Polish elites and intelligentia was part of Generalplan Ost. The Intelligenzaktion, a plan to eliminate the Polish intelligentsia, Poland's 'leadership class', took place soon after the German invasion of Poland, lasting from fall of 1939 till spring of 1940. As the result of this operation in 10 regional actions about 60,000 Polish nobles, teachers, social workers, priests, judges and political activists were killed. It was continued in May 1940 when Germany launched AB-Aktion, More than 16,000 members of the intelligentsia were murdered in Operation Tannenberg alone.

Question: Who were the “intelligentia?” 
Answer: Polish nobles, teachers, social workers, priests, judges and political activists

Question: How long did liquidation occur?
Answer: fall of 1939 till spring of 1940

Question:  How many intelligentia were killed during operation AB-Akiton?
Answer: 16,000 members

Question: Who weren't the “intelligentia?” 
Answer: Unanswerable

Question: How long didn't liquidation occur?
Answer: Unanswerable

Question: How long did liquidation stop?
Answer: Unanswerable

Question: How many intelligentia were saved during operation AB-Akiton?
Answer: Unanswerable

Question: How many intelligentia were killed during operation BA-Akiton?
Answer: Unanswerable