 Complete the following phrase:  From October to December 1918, he served as a governor general of Tbilisi. During the December Georgian-Armenian war 1918, he was appointed a commander-in-chief and successfully defended the Georgian borders from the troops of General Dro. In 1919 he served as a governor general of Akhaltsikhe and Akhalkalaki and was moved, on 6 October 1920, as a commandant in Tbilisi. During the Soviet 