How many days after the Germans slowed down withdrawal of their troops after the Spartacist uprising was subdued did the Soviets and Germans sign a treaty?
return the  Germans  slowed down withdrawal of their troops after  the   Spartacist uprising was  subdued ;return the  Soviets and  Germans  sign a treaty ;return day of #1 ;return day of #2 ;return the  difference of #4 and  #3
['select', 'select', 'project', 'project', 'arithmetic']